The Cosmic Perspective Seventh Edition. Making Sense of the Universe: Understanding Motion, Energy, and Gravity. Chapter 4 Reading Quiz Clickers
|
|
|
- Trevor Paul
- 7 years ago
- Views:
Transcription
1 Reading Quiz Clickers The Cosmic Perspective Seventh Edition Making Sense of the Universe: Understanding Motion, Energy, and Gravity
2 4.1 Describing Motion: Examples from Daily Life How do we describe motion? How is mass different from weight?
3 Which of the following is not changing for someone driving a car in a circle at 30 miles per hour? a) position b) velocity c) acceleration d) momentum e) none of the above (all are changing)
4 Which of the following is not changing for someone driving a car in a circle at 30 miles per hour? a) position b) velocity c) acceleration d) momentum e) none of the above (all are changing)
5 What does a force acting on an object do to that object's motion? a) A force keeps an object moving at a constant velocity. b) A force changes an object's momentum. c) A force changes an object's acceleration. d) A force changes an object's mass. e) B and C
6 What does a force acting on an object do to that object's motion? a) A force keeps an object moving at a constant velocity. b) A force changes an object's momentum. c) A force changes an object's acceleration. d) A force changes an object's mass. e) B and C
7 Space Station astronauts are weightless because a) no force is acting on them. b) their acceleration is zero. c) their acceleration is equal to the acceleration due to gravity. d) they are in space. e) A and B
8 Space Station astronauts are weightless because a) no force is acting on them. b) their acceleration is zero. c) their acceleration is equal to the acceleration due to gravity. d) they are in space. e) A and B
9 If you take off in a rocket accelerating upward a) your mass increases and your weight stays the same. b) your weight increases and your mass stays the same. c) both your weight and mass increase. d) both your weight and mass stay the same. e) both your weight and mass decrease.
10 If you take off in a rocket accelerating upward a) your mass increases and your weight stays the same. b) your weight increases and your mass stays the same. c) both your weight and mass increase. d) both your weight and mass stay the same. e) both your weight and mass decrease.
11 4.2 Newton's Laws of Motion How did Newton change our view of the universe? What are Newton's three laws of motion?
12 Which of the following was Newton's insight about gravity? a) It is responsible for the motion of the Moon around Earth. b) It produces a change in an object's acceleration. c) It produces a change in an object's direction of motion as well as its speed. d) It is caused by a warping of space time.
13 Which of the following was Newton's insight about gravity? a) It is responsible for the motion of the Moon around Earth. b) It produces a change in an object's acceleration. c) It produces a change in an object's direction of motion as well as its speed. d) It is caused by a warping of space time.
14 Newton's second law of motion states that a) the acceleration of an object is equal to its mass times the force acting on it. b) the acceleration of an object is equal to its mass divided by the force acting on it. c) the acceleration of an object is equal to the force acting on it divided by its mass. d) the acceleration of an object is equal to its mass times its velocity. e) the acceleration of an object is equal to its velocity divided by its mass.
15 Newton's second law of motion states that a) the acceleration of an object is equal to its mass times the force acting on it. b) the acceleration of an object is equal to its mass divided by the force acting on it. c) the acceleration of an object is equal to the force acting on it divided by its mass. d) the acceleration of an object is equal to its mass times its velocity. e) the acceleration of an object is equal to its velocity divided by its mass.
16 All of Newton's laws of motion express the concept that a) a force (and only a force) always changes the momentum of an object. b) the momentum of an object is always constant. c) the motion of an object reverses direction when a force acts on it. d) the acceleration of an object depends on its momentum. e) all of the above
17 All of Newton's laws of motion express the concept that a) a force (and only a force) always changes the momentum of an object. b) the momentum of an object is always constant. c) the motion of an object reverses direction when a force acts on it. d) the acceleration of an object depends on its momentum. e) all of the above
18 Which of the following describes how a rocket takes off? a) The rocket exerts a force on the ground, and then the atmosphere, causing it to accelerate upward. b) The backward momentum of the rocket exhaust is canceled by the forward momentum of the rocket. c) The escaping rocket exhaust changes the mass of the rocket, giving it upward momentum. d) The burning rocket fuel heats the air beneath the rocket, causing it to move upward.
19 Which of the following describes how a rocket takes off? a) The rocket exerts a force on the ground, and then the atmosphere, causing it to accelerate upward. b) The backward momentum of the rocket exhaust is canceled by the forward momentum of the rocket. c) The escaping rocket exhaust changes the mass of the rocket, giving it upward momentum. d) The burning rocket fuel heats the air beneath the rocket, causing it to move upward.
20 4.3 Conservation Laws in Astronomy Why do objects move at constant velocity if no force acts on them? What keeps a planet rotating and orbiting the Sun? Where do objects get their energy?
21 When two objects collide a) their combined momentum remains unchanged. b) they exert equal and opposite forces on each other. c) their combined angular momentum remains unchanged. d) their combined energy remains unchanged. e) all of the above
22 When two objects collide a) their combined momentum remains unchanged. b) they exert equal and opposite forces on each other. c) their combined angular momentum remains unchanged. d) their combined energy remains unchanged. e) all of the above
23 What is required to change an object's angular momentum? a) a force. b) a force acting opposite to the direction of motion. c) a twisting force. d) It is not possible to change an object's angular momentum. e) There is no such thing as "angular" momentum.
24 What is required to change an object's angular momentum? a) a force. b) a force acting opposite to the direction of motion. c) a twisting force. d) It is not possible to change an object's angular momentum. e) There is no such thing as "angular" momentum.
25 The energy of Earth's rotation is an example of a) twisting energy. b) potential energy. c) thermal energy. d) radiative energy. e) kinetic energy.
26 The energy of Earth's rotation is an example of a) twisting energy. b) potential energy. c) thermal energy. d) radiative energy. e) kinetic energy.
27 When a ball is dropped, some of the ball's energy changes from a) kinetic energy to gravitational potential energy. b) gravitational potential energy to kinetic energy. c) radiative energy to kinetic energy. d) gravitational potential energy to radiative energy.
28 When a ball is dropped, some of the ball's energy changes from a) kinetic energy to gravitational potential energy. b) gravitational potential energy to kinetic energy. c) radiative energy to kinetic energy. d) gravitational potential energy to radiative energy.
29 Which of the following processes violates a conservation law? a) Mass is converted directly into energy. b) An object orbiting the Sun and affected only by the Sun's gravity spirals into the Sun. c) One ball hits a second ball and stops moving while the second ball starts moving in the same direction. d) An object speeds up as it approaches the Sun and turns around it, and then slows down as it moves further away, never to return. e) An object orbits Earth on a perfectly circular orbit with no rockets firing.
30 Which of the following processes violates a conservation law? a) Mass is converted directly into energy. b) An object orbiting the Sun and affected only by the Sun's gravity spirals into the Sun. c) One ball hits a second ball and stops moving while the second ball starts moving in the same direction. d) An object speeds up as it approaches the Sun and turns around it, and then slows down as it moves further away, never to return. e) An object orbits Earth on a perfectly circular orbit with no rockets firing.
31 4.4 The Universal Law of Gravitation What determines the strength of gravity? How does Newton's law of gravity extend Kepler's laws?
32 How does the force of gravity between two objects depend on the distance between the objects? a) It does not depend on the distance. b) It increases in proportion to the distance. c) It increases in proportion to 1/distance. d) It increases in proportion to the distance squared. e) It increases in proportion to 1/distance squared.
33 How does the force of gravity between two objects depend on the distance between the objects? a) It does not depend on the distance. b) It increases in proportion to the distance. c) It increases in proportion to 1/distance. d) It increases in proportion to the distance squared. e) It increases in proportion to 1/distance squared.
34 What happens to the energy of an object while it follows an unbound orbit around the Sun? a) The total remains constant while gravitational potential energy is converted to kinetic energy as it approaches the Sun. b) The total increases when the object approaches the Sun and decreases when it recedes from the Sun. c) The total, kinetic, and potential energy remain constant. d) The total remains constant while kinetic energy is converted to gravitational potential energy as it approaches the Sun.
35 What happens to the energy of an object while it follows an unbound orbit around the Sun? a) The total remains constant while gravitational potential energy is converted to kinetic energy as it approaches the Sun. b) The total increases when the object approaches the Sun and decreases when it recedes from the Sun. c) The total, kinetic, and potential energy remain constant. d) The total remains constant while kinetic energy is converted to gravitational potential energy as it approaches the Sun.
36 The masses of orbiting objects can be determined from a) Newton's second law. b) Newton's version of Kepler's third law. c) Newton's third law. d) Newton's first law. e) Newton's version of Kepler's first law.
37 The masses of orbiting objects can be determined from a) Newton's second law. b) Newton's version of Kepler's third law. c) Newton's third law. d) Newton's first law. e) Newton's version of Kepler's first law.
38 Objects on bound orbits a) follow elliptical orbits. b) orbit the center of mass of the system. c) stay in orbit around the object they are orbiting. d) all of the above
39 Objects on bound orbits a) follow elliptical orbits. b) orbit the center of mass of the system. c) stay in orbit around the object they are orbiting. d) all of the above
40 4.5 Orbits, Tides, and the Acceleration of Gravity How do gravity and energy together allow us to understand orbits? How does gravity cause tides? Why do all objects fall at the same rate?
41 The Moon always keeps the same face toward Earth because a) it happened to form that way. b) the gravity of Earth pulls more strongly on the near side, locking it into place facing Earth. c) friction due to tides slowed the rotation of the Moon until it reached the point where it always keeps the same face toward Earth. d) the tidal force from Earth caused the Moon's rotation to speed up until it reached the point where it always keeps the same face toward Earth.
42 The Moon always keeps the same face toward Earth because a) it happened to form that way. b) the gravity of Earth pulls more strongly on the near side, locking it into place facing Earth. c) friction due to tides slowed the rotation of the Moon until it reached the point where it always keeps the same face toward Earth. d) the tidal force from Earth caused the Moon's rotation to speed up until it reached the point where it always keeps the same face toward Earth.
43 Tidal forces from the Moon and Sun add up to make larger tides on Earth when the Moon is a) new. b) full. c) first quarter. d) third quarter. e) A and B
44 Tidal forces from the Moon and Sun add up to make larger tides on Earth when the Moon is a) new. b) full. c) first quarter. d) third quarter. e) A and B
45 The acceleration due to gravity of an object on the surface of Earth depends on a) the radius of Earth. b) the mass of Earth. c) the mass of the object. d) all of the above e) A and B
46 The acceleration due to gravity of an object on the surface of Earth depends on a) the radius of Earth. b) the mass of Earth. c) the mass of the object. d) all of the above e) A and B
A. 81 2 = 6561 times greater. B. 81 times greater. C. equally strong. D. 1/81 as great. E. (1/81) 2 = 1/6561 as great.
Q12.1 The mass of the Moon is 1/81 of the mass of the Earth. Compared to the gravitational force that the Earth exerts on the Moon, the gravitational force that the Moon exerts on the Earth is A. 81 2
Newton s Law of Gravity
Gravitational Potential Energy On Earth, depends on: object s mass (m) strength of gravity (g) distance object could potentially fall Gravitational Potential Energy In space, an object or gas cloud has
circular motion & gravitation physics 111N
circular motion & gravitation physics 111N uniform circular motion an object moving around a circle at a constant rate must have an acceleration always perpendicular to the velocity (else the speed would
Name Class Date. true
Exercises 131 The Falling Apple (page 233) 1 Describe the legend of Newton s discovery that gravity extends throughout the universe According to legend, Newton saw an apple fall from a tree and realized
Astronomy 110 Homework #04 Assigned: 02/06/2007 Due: 02/13/2007. Name:
Astronomy 110 Homework #04 Assigned: 02/06/2007 Due: 02/13/2007 Name: Directions: Listed below are twenty (20) multiple-choice questions based on the material covered by the lectures this past week. Choose
Newton s Laws of Motion
Newton s Laws of Motion The Earth revolves around the sun in an elliptical orbit. The moon orbits the Earth in the same way. But what keeps the Earth and the moon in orbit? Why don t they just fly off
Use the following information to deduce that the gravitational field strength at the surface of the Earth is approximately 10 N kg 1.
IB PHYSICS: Gravitational Forces Review 1. This question is about gravitation and ocean tides. (b) State Newton s law of universal gravitation. Use the following information to deduce that the gravitational
Name Class Period. F = G m 1 m 2 d 2. G =6.67 x 10-11 Nm 2 /kg 2
Gravitational Forces 13.1 Newton s Law of Universal Gravity Newton discovered that gravity is universal. Everything pulls on everything else in the universe in a way that involves only mass and distance.
Halliday, Resnick & Walker Chapter 13. Gravitation. Physics 1A PHYS1121 Professor Michael Burton
Halliday, Resnick & Walker Chapter 13 Gravitation Physics 1A PHYS1121 Professor Michael Burton II_A2: Planetary Orbits in the Solar System + Galaxy Interactions (You Tube) 21 seconds 13-1 Newton's Law
Name: Earth 110 Exploration of the Solar System Assignment 1: Celestial Motions and Forces Due in class Tuesday, Jan. 20, 2015
Name: Earth 110 Exploration of the Solar System Assignment 1: Celestial Motions and Forces Due in class Tuesday, Jan. 20, 2015 Why are celestial motions and forces important? They explain the world around
Exam # 1 Thu 10/06/2010 Astronomy 100/190Y Exploring the Universe Fall 11 Instructor: Daniela Calzetti
Exam # 1 Thu 10/06/2010 Astronomy 100/190Y Exploring the Universe Fall 11 Instructor: Daniela Calzetti INSTRUCTIONS: Please, use the `bubble sheet and a pencil # 2 to answer the exam questions, by marking
Newton s Law of Universal Gravitation
Newton s Law of Universal Gravitation The greatest moments in science are when two phenomena that were considered completely separate suddenly are seen as just two different versions of the same thing.
Halliday, Resnick & Walker Chapter 13. Gravitation. Physics 1A PHYS1121 Professor Michael Burton
Halliday, Resnick & Walker Chapter 13 Gravitation Physics 1A PHYS1121 Professor Michael Burton II_A2: Planetary Orbits in the Solar System + Galaxy Interactions (You Tube) 21 seconds 13-1 Newton's Law
Niraj Sir GRAVITATION CONCEPTS. Kepler's law of planetry motion
GRAVITATION CONCEPTS Kepler's law of planetry motion (a) Kepler's first law (law of orbit): Every planet revolves around the sun in an elliptical orbit with the sun is situated at one focus of the ellipse.
GRAVITATIONAL FIELDS PHYSICS 20 GRAVITATIONAL FORCES. Gravitational Fields (or Acceleration Due to Gravity) Symbol: Definition: Units:
GRAVITATIONAL FIELDS Gravitational Fields (or Acceleration Due to Gravity) Symbol: Definition: Units: Formula Description This is the formula for force due to gravity or as we call it, weight. Relevant
Practice TEST 2. Explain your reasoning
Practice TEST 2 1. Imagine taking an elevator ride from the1 st floor to the 10 th floor of a building. While moving between the 1 st and 2 nd floors the elevator speeds up, but then moves at a constant
What causes Tides? If tidal forces were based only on mass, the Sun should have a tidegenerating
What are Tides? Tides are very long-period waves that move through the oceans as a result of the gravitational attraction of the Moon and the Sun for the water in the oceans of the Earth. Tides start in
GRADE 8 SCIENCE INSTRUCTIONAL TASKS. Gravity
GRADE 8 SCIENCE INSTRUCTIONAL TASKS Gravity Grade-Level Expectations The exercises in these instructional tasks address content related to the following science grade-level expectation(s): ESS-M-C3 Relate
Version A Page 1. 1. The diagram shows two bowling balls, A and B, each having a mass of 7.00 kilograms, placed 2.00 meters apart.
Physics Unit Exam, Kinematics 1. The diagram shows two bowling balls, A and B, each having a mass of 7.00 kilograms, placed 2.00 meters apart. What is the magnitude of the gravitational force exerted by
Notes: Most of the material in this chapter is taken from Young and Freedman, Chap. 13.
Chapter 5. Gravitation Notes: Most of the material in this chapter is taken from Young and Freedman, Chap. 13. 5.1 Newton s Law of Gravitation We have already studied the effects of gravity through the
PHY231 Section 2, Form A March 22, 2012. 1. Which one of the following statements concerning kinetic energy is true?
1. Which one of the following statements concerning kinetic energy is true? A) Kinetic energy can be measured in watts. B) Kinetic energy is always equal to the potential energy. C) Kinetic energy is always
Name: Partners: Period: Coaster Option: 1. In the space below, make a sketch of your roller coaster.
1. In the space below, make a sketch of your roller coaster. 2. On your sketch, label different areas of acceleration. Put a next to an area of negative acceleration, a + next to an area of positive acceleration,
Tennessee State University
Tennessee State University Dept. of Physics & Mathematics PHYS 2010 CF SU 2009 Name 30% Time is 2 hours. Cheating will give you an F-grade. Other instructions will be given in the Hall. MULTIPLE CHOICE.
G U I D E T O A P P L I E D O R B I T A L M E C H A N I C S F O R K E R B A L S P A C E P R O G R A M
G U I D E T O A P P L I E D O R B I T A L M E C H A N I C S F O R K E R B A L S P A C E P R O G R A M CONTENTS Foreword... 2 Forces... 3 Circular Orbits... 8 Energy... 10 Angular Momentum... 13 FOREWORD
Newton s Law of Universal Gravitation describes the attractive gravitational force that exists between any two bodies with the following equation:
Newton s Laws & Gravitation Newton s Law of Universal Gravitation describes the attractive gravitational force that exists between any two bodies with the following equation: F G = GMm 2 r G is the gravitational
EDMONDS COMMUNITY COLLEGE ASTRONOMY 100 Winter Quarter 2007 Sample Test # 1
Instructor: L. M. Khandro EDMONDS COMMUNITY COLLEGE ASTRONOMY 100 Winter Quarter 2007 Sample Test # 1 1. An arc second is a measure of a. time interval between oscillations of a standard clock b. time
Name: Date: Period: Gravity Study Guide
Vocabulary: Define the following terms. Law of Universal Gravitation Gravity Study Guide Weight Weightlessness Gravitational Field Black hole Escape velocity Math: Be able to use the equation for the law
BHS Freshman Physics Review. Chapter 2 Linear Motion Physics is the oldest science (astronomy) and the foundation for every other science.
BHS Freshman Physics Review Chapter 2 Linear Motion Physics is the oldest science (astronomy) and the foundation for every other science. Galileo (1564-1642): 1 st true scientist and 1 st person to use
PHYS 117- Exam I. Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.
PHYS 117- Exam I Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Car A travels from milepost 343 to milepost 349 in 5 minutes. Car B travels
Physics Midterm Review Packet January 2010
Physics Midterm Review Packet January 2010 This Packet is a Study Guide, not a replacement for studying from your notes, tests, quizzes, and textbook. Midterm Date: Thursday, January 28 th 8:15-10:15 Room:
4 Gravity: A Force of Attraction
CHAPTER 1 SECTION Matter in Motion 4 Gravity: A Force of Attraction BEFORE YOU READ After you read this section, you should be able to answer these questions: What is gravity? How are weight and mass different?
Astronomy 1140 Quiz 1 Review
Astronomy 1140 Quiz 1 Review Prof. Pradhan September 15, 2015 What is Science? 1. Explain the difference between astronomy and astrology. (a) Astrology: nonscience using zodiac sign to predict the future/personality
Chapter 6. Work and Energy
Chapter 6 Work and Energy The concept of forces acting on a mass (one object) is intimately related to the concept of ENERGY production or storage. A mass accelerated to a non-zero speed carries energy
Chapter 5: Circular Motion, the Planets, and Gravity
Chapter 5: Circular Motion, the Planets, and Gravity 1. Earth s gravity attracts a person with a force of 120 lbs. The force with which the Earth is attracted towards the person is A. Zero. B. Small but
Section 4: The Basics of Satellite Orbits
Section 4: The Basics of Satellite Orbits MOTION IN SPACE VS. MOTION IN THE ATMOSPHERE The motion of objects in the atmosphere differs in three important ways from the motion of objects in space. First,
Forces. When an object is pushed or pulled, we say that a force is exerted on it.
Forces When an object is pushed or pulled, we say that a force is exerted on it. Forces can Cause an object to start moving Change the speed of a moving object Cause a moving object to stop moving Change
F N A) 330 N 0.31 B) 310 N 0.33 C) 250 N 0.27 D) 290 N 0.30 E) 370 N 0.26
Physics 23 Exam 2 Spring 2010 Dr. Alward Page 1 1. A 250-N force is directed horizontally as shown to push a 29-kg box up an inclined plane at a constant speed. Determine the magnitude of the normal force,
CHAPTER 6 WORK AND ENERGY
CHAPTER 6 WORK AND ENERGY CONCEPTUAL QUESTIONS. REASONING AND SOLUTION The work done by F in moving the box through a displacement s is W = ( F cos 0 ) s= Fs. The work done by F is W = ( F cos θ). s From
Chapter 4: Newton s Laws: Explaining Motion
Chapter 4: Newton s Laws: Explaining Motion 1. All except one of the following require the application of a net force. Which one is the exception? A. to change an object from a state of rest to a state
Newton s Laws. Newton s Imaginary Cannon. Michael Fowler Physics 142E Lec 6 Jan 22, 2009
Newton s Laws Michael Fowler Physics 142E Lec 6 Jan 22, 2009 Newton s Imaginary Cannon Newton was familiar with Galileo s analysis of projectile motion, and decided to take it one step further. He imagined
PHY231 Section 1, Form B March 22, 2012
1. A car enters a horizontal, curved roadbed of radius 50 m. The coefficient of static friction between the tires and the roadbed is 0.20. What is the maximum speed with which the car can safely negotiate
RETURN TO THE MOON. Lesson Plan
RETURN TO THE MOON Lesson Plan INSTRUCTIONS FOR TEACHERS Grade Level: 9-12 Curriculum Links: Earth and Space (SNC 1D: D2.1, D2.2, D2.3, D2.4) Group Size: Groups of 2-4 students Preparation time: 1 hour
Orbital Mechanics. Angular Momentum
Orbital Mechanics The objects that orbit earth have only a few forces acting on them, the largest being the gravitational pull from the earth. The trajectories that satellites or rockets follow are largely
Physics 2A, Sec B00: Mechanics -- Winter 2011 Instructor: B. Grinstein Final Exam
Physics 2A, Sec B00: Mechanics -- Winter 2011 Instructor: B. Grinstein Final Exam INSTRUCTIONS: Use a pencil #2 to fill your scantron. Write your code number and bubble it in under "EXAM NUMBER;" an entry
Review Vocabulary force: a push or a pull. Vocabulary Newton s third law of motion
Standard 7.3.17: Investigate that an unbalanced force, acting on an object, changes its speed or path of motion or both, and know that if the force always acts toward the same center as the object moves,
Educator Guide to S LAR SYSTEM. 1875 El Prado, San Diego CA 92101 (619) 238-1233 www.rhfleet.org
Educator Guide to S LAR SYSTEM 1875 El Prado, San Diego CA 92101 (619) 238-1233 www.rhfleet.org Pre-Visit Activity: Orbital Paths Materials: Plastic Plate Marble Scissors To Do: 1. Put the plate on a flat
GRAVITY CONCEPTS. Gravity is the universal force of attraction between all matter
IT S UNIVERSAL GRAVITY CONCEPTS Gravity is the universal force of attraction between all matter Weight is a measure of the gravitational force pulling objects toward Earth Objects seem weightless when
1. Large ships are often helped into port by using two tug boats one either side of the ship. April 5, 1989 (Anchorage Daily News / Erik Hill)
1. Velocity and displacement vectors and scalars Vector and scalar quantities: force, speed, velocity, distance, displacement, acceleration, mass, time and energy. Calculation of the resultant of two vector
How To Understand The Theory Of Gravity
Newton s Law of Gravity and Kepler s Laws Michael Fowler Phys 142E Lec 9 2/6/09. These notes are partly adapted from my Physics 152 lectures, where more mathematical details can be found. The Universal
Earth in the Solar System
Copyright 2011 Study Island - All rights reserved. Directions: Challenge yourself! Print out the quiz or get a pen/pencil and paper and record your answers to the questions below. Check your answers with
DIRECT ORBITAL DYNAMICS: USING INDEPENDENT ORBITAL TERMS TO TREAT BODIES AS ORBITING EACH OTHER DIRECTLY WHILE IN MOTION
1 DIRECT ORBITAL DYNAMICS: USING INDEPENDENT ORBITAL TERMS TO TREAT BODIES AS ORBITING EACH OTHER DIRECTLY WHILE IN MOTION Daniel S. Orton email: dsorton1@gmail.com Abstract: There are many longstanding
2. Orbits. FER-Zagreb, Satellite communication systems 2011/12
2. Orbits Topics Orbit types Kepler and Newton laws Coverage area Influence of Earth 1 Orbit types According to inclination angle Equatorial Polar Inclinational orbit According to shape Circular orbit
The Gravitational Field
The Gravitational Field The use of multimedia in teaching physics Texts to multimedia presentation Jan Hrnčíř jan.hrncir@gfxs.cz Martin Klejch martin.klejch@gfxs.cz F. X. Šalda Grammar School, Liberec
Physics 125 Practice Exam #3 Chapters 6-7 Professor Siegel
Physics 125 Practice Exam #3 Chapters 6-7 Professor Siegel Name: Lab Day: 1. A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the
Section 1 Gravity: A Force of Attraction
Section 1 Gravity: A Force of Attraction Key Concept Gravity is a force of attraction between objects that is due to their masses. What You Will Learn Gravity affects all matter, including the parts of
At the skate park on the ramp
At the skate park on the ramp 1 On the ramp When a cart rolls down a ramp, it begins at rest, but starts moving downward upon release covers more distance each second When a cart rolls up a ramp, it rises
Contents. Stage 7. Stage 8. Stage 9. Contents. Key: Enquiry / Extension / Review BOLD PAGE NO. = in this booklet
Contents Contents Stage 7 1 1.1 Introduction to forces 8 1.2 Balanced forces 10 1.3 Friction 12 1.4 Gravity 14 1.5 Enquiry: Questions, evidence and explanations 16 1.6 Air resistance 18 1.7 Enquiry: Planning
SPEED, VELOCITY, AND ACCELERATION
reflect Look at the picture of people running across a field. What words come to mind? Maybe you think about the word speed to describe how fast the people are running. You might think of the word acceleration
1. Mass, Force and Gravity
STE Physics Intro Name 1. Mass, Force and Gravity Before attempting to understand force, we need to look at mass and acceleration. a) What does mass measure? The quantity of matter(atoms) b) What is the
Gravitation and Newton s Synthesis
Gravitation and Newton s Synthesis Vocabulary law of unviversal Kepler s laws of planetary perturbations casual laws gravitation motion casuality field graviational field inertial mass gravitational mass
AS COMPETITION PAPER 2008
AS COMPETITION PAPER 28 Name School Town & County Total Mark/5 Time Allowed: One hour Attempt as many questions as you can. Write your answers on this question paper. Marks allocated for each question
The Moon. Nicola Loaring, SAAO
The Moon Nicola Loaring, SAAO Vital Statistics Mean distance from Earth Orbital Period Rotational Period Diameter 384,400 km 27.322 days 27.322 days 3476 km (0.272 x Earth) Mass 7.3477 10 22 kg (0.0123
Wind Turbines. Wind Turbines 2. Wind Turbines 4. Wind Turbines 3. Wind Turbines 5. Wind Turbines 6
Wind Turbines 1 Wind Turbines 2 Introductory Question Wind Turbines You and a child half your height lean out over the edge of a pool at the same angle. If you both let go simultaneously, who will tip
Physical Science Chapter 2. Forces
Physical Science Chapter 2 Forces The Nature of Force By definition, a Force is a push or a pull. A Push Or A Pull Just like Velocity & Acceleration Forces have both magnitude and direction components
Unit 8 Lesson 2 Gravity and the Solar System
Unit 8 Lesson 2 Gravity and the Solar System Gravity What is gravity? Gravity is a force of attraction between objects that is due to their masses and the distances between them. Every object in the universe
C B A T 3 T 2 T 1. 1. What is the magnitude of the force T 1? A) 37.5 N B) 75.0 N C) 113 N D) 157 N E) 192 N
Three boxes are connected by massless strings and are resting on a frictionless table. Each box has a mass of 15 kg, and the tension T 1 in the right string is accelerating the boxes to the right at a
Lecture 13. Gravity in the Solar System
Lecture 13 Gravity in the Solar System Guiding Questions 1. How was the heliocentric model established? What are monumental steps in the history of the heliocentric model? 2. How do Kepler s three laws
Gravity. in the Solar System. Beyond the Book. FOCUS Book
FOCUS Book Design a test to find out whether Earth s gravity always pulls straight down. A pendulum is a weight that hangs from a string or rod that can swing back and forth. Use string and metal washers
Q3.2.a The gravitational force exerted by a planet on one of its moons is 3e23 newtons when the moon is at a particular location.
Q3.2.a The gravitational force exerted by a planet on one of its moons is 3e23 newtons when the moon is at a particular location. If the mass of the moon were three times as large, what would the force
Topic 7A: Tides, Part II. Online Lecture: The Bulge Theory of Tides
7A_2 Slide 1 Topic 7A: Tides, Part II Online Lecture: The Theory of Tides Overly Simplistic: no continents, ocean is the same depth everywhere The Theory of Tides 7A_2 Slide 2 High Tide North Pole Low
Ph\sics 2210 Fall 2012 - Novcmbcr 21 David Ailion
Ph\sics 2210 Fall 2012 - Novcmbcr 21 David Ailion Unid: Discussion T A: Bryant Justin Will Yuan 1 Place answers in box provided for each question. Specify units for each answer. Circle correct answer(s)
Physics 211 Lecture 4
Physics 211 Lecture 4 Today's Concepts: Newton s Laws a) Acceleration is caused by forces b) Force changes momentum c) Forces always come in pairs d) Good reference frames Mechanics Lecture 4, Slide 1
Conceptual: 1, 3, 5, 6, 8, 16, 18, 19. Problems: 4, 6, 8, 11, 16, 20, 23, 27, 34, 41, 45, 56, 60, 65. Conceptual Questions
Conceptual: 1, 3, 5, 6, 8, 16, 18, 19 Problems: 4, 6, 8, 11, 16, 20, 23, 27, 34, 41, 45, 56, 60, 65 Conceptual Questions 1. The magnetic field cannot be described as the magnetic force per unit charge
Physics: Principles and Applications, 6e Giancoli Chapter 4 Dynamics: Newton's Laws of Motion
Physics: Principles and Applications, 6e Giancoli Chapter 4 Dynamics: Newton's Laws of Motion Conceptual Questions 1) Which of Newton's laws best explains why motorists should buckle-up? A) the first law
Chapter 5 Using Newton s Laws: Friction, Circular Motion, Drag Forces. Copyright 2009 Pearson Education, Inc.
Chapter 5 Using Newton s Laws: Friction, Circular Motion, Drag Forces Units of Chapter 5 Applications of Newton s Laws Involving Friction Uniform Circular Motion Kinematics Dynamics of Uniform Circular
Work and Energy. Work = Force Distance. Work increases the energy of an object. Energy can be converted back to work.
Work and Energy Ch. 6 Work = Force Distance Work increases the energy of an object. Energy can be converted back to work. Therefore, energy and work have the same unit: Newton meter = Nm Energy per gram,
2 Newton s First Law of Motion Inertia
2 Newton s First Law of Motion Inertia Conceptual Physics Instructor Manual, 11 th Edition SOLUTIONS TO CHAPTER 2 RANKING 1. C, B, A 2. C, A, B, D 3. a. B, A, C, D b. B, A, C, D 4. a. A=B=C (no force)
Physics 111: Lecture 4: Chapter 4 - Forces and Newton s Laws of Motion. Physics is about forces and how the world around us reacts to these forces.
Physics 111: Lecture 4: Chapter 4 - Forces and Newton s Laws of Motion Physics is about forces and how the world around us reacts to these forces. Whats a force? Contact and non-contact forces. Whats a
Candidate Number. General Certificate of Education Advanced Level Examination June 2014
entre Number andidate Number Surname Other Names andidate Signature General ertificate of Education dvanced Level Examination June 214 Physics PHY4/1 Unit 4 Fields and Further Mechanics Section Wednesday
How To Understand General Relativity
Chapter S3 Spacetime and Gravity What are the major ideas of special relativity? Spacetime Special relativity showed that space and time are not absolute Instead they are inextricably linked in a four-dimensional
Sample Questions for the AP Physics 1 Exam
Sample Questions for the AP Physics 1 Exam Sample Questions for the AP Physics 1 Exam Multiple-choice Questions Note: To simplify calculations, you may use g 5 10 m/s 2 in all problems. Directions: Each
From Last Time Newton s laws. Question. Acceleration of the moon. Velocity of the moon. How has the velocity changed?
Fro Last Tie Newton s laws Law of inertia F=a ( or a=f/ ) Action and reaction Forces are equal and opposite, but response to force (accel.) depends on ass (a=f/). e.g. Gravitational force on apple fro
Satellites and Space Stations
Satellites and Space Stations A satellite is an object or a body that revolves around another object, which is usually much larger in mass. Natural satellites include the planets, which revolve around
Elements of Physics Motion, Force, and Gravity Teacher s Guide
Teacher s Guide Grade Level: 9 12 Curriculum Focus: Physical Science Lesson Duration: Three class periods Program Description Examine Isaac Newton's laws of motion, the four fundamental forces of the universe,
Magnetism. d. gives the direction of the force on a charge moving in a magnetic field. b. results in negative charges moving. clockwise.
Magnetism 1. An electron which moves with a speed of 3.0 10 4 m/s parallel to a uniform magnetic field of 0.40 T experiences a force of what magnitude? (e = 1.6 10 19 C) a. 4.8 10 14 N c. 2.2 10 24 N b.
How Rockets Work Newton s Laws of Motion
How Rockets Work Whether flying a small model rocket or launching a giant cargo rocket to Mars, the principles of how rockets work are exactly the same. Understanding and applying these principles means
1. The Kinetic Theory of Matter states that all matter is composed of atoms and molecules that are in a constant state of constant random motion
Physical Science Period: Name: ANSWER KEY Date: Practice Test for Unit 3: Ch. 3, and some of 15 and 16: Kinetic Theory of Matter, States of matter, and and thermodynamics, and gas laws. 1. The Kinetic
8. Potential Energy and Conservation of Energy Potential Energy: When an object has potential to have work done on it, it is said to have potential
8. Potential Energy and Conservation of Energy Potential Energy: When an object has potential to have work done on it, it is said to have potential energy, e.g. a ball in your hand has more potential energy
Forces between masses
Forces between masses Gravity is arguably the first force that people really learn about. People don't really think of it as learning about gravity because it is such a big part of our everyday lives.
Friction and Gravity. Friction. Section 2. The Causes of Friction
Section 2 Friction and Gravity What happens when you jump on a sled on the side of a snow-covered hill? Without actually doing this, you can predict that the sled will slide down the hill. Now think about
Chapter 7 Momentum and Impulse
Chapter 7 Momentum and Impulse Collisions! How can we describe the change in velocities of colliding football players, or balls colliding with bats?! How does a strong force applied for a very short time
Lesson 6: Earth and the Moon
Lesson 6: Earth and the Moon Reading Assignment Chapter 7.1: Overall Structure of Planet Earth Chapter 7.3: Earth s Interior More Precisely 7-2: Radioactive Dating Chapter 7.5: Earth s Magnetosphere Chapter
III. Applications of Force and Motion Concepts. Concept Review. Conflicting Contentions. 1. Airplane Drop 2. Moving Ball Toss 3. Galileo s Argument
III. Applications of Force and Motion Concepts Concept Review Conflicting Contentions 1. Airplane Drop 2. Moving Ball Toss 3. Galileo s Argument Qualitative Reasoning 1. Dropping Balls 2. Spinning Bug
Forces. Definition Friction Falling Objects Projectiles Newton s Laws of Motion Momentum Universal Forces Fluid Pressure Hydraulics Buoyancy
Forces Definition Friction Falling Objects Projectiles Newton s Laws of Motion Momentum Universal Forces Fluid Pressure Hydraulics Buoyancy Definition of Force Force = a push or pull that causes a change
Lab 8: Ballistic Pendulum
Lab 8: Ballistic Pendulum Equipment: Ballistic pendulum apparatus, 2 meter ruler, 30 cm ruler, blank paper, carbon paper, masking tape, scale. Caution In this experiment a steel ball is projected horizontally
Educational Innovations
Educational Innovations Background Forces and Motion MAR-600 Wall Coaster Motion is caused by forces. Motion can be described. Motion follows rules. There are many forces and principles involved with motion.
Dynamics of Iain M. Banks Orbitals. Richard Kennaway. 12 October 2005
Dynamics of Iain M. Banks Orbitals Richard Kennaway 12 October 2005 Note This is a draft in progress, and as such may contain errors. Please do not cite this without permission. 1 The problem An Orbital
Unit 4 Practice Test: Rotational Motion
Unit 4 Practice Test: Rotational Motion Multiple Guess Identify the letter of the choice that best completes the statement or answers the question. 1. How would an angle in radians be converted to an angle
Worksheet #1 Free Body or Force diagrams
Worksheet #1 Free Body or Force diagrams Drawing Free-Body Diagrams Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation.
Work, Power, Energy Multiple Choice. PSI Physics. Multiple Choice Questions
Work, Power, Energy Multiple Choice PSI Physics Name Multiple Choice Questions 1. A block of mass m is pulled over a distance d by an applied force F which is directed in parallel to the displacement.