Question 1

Occupants of the International Space Station experience weightlessness due to

Accepted Answer

A) the absence of Earth gravity at that altitude. 
B) the absence of a support force. 
C) rotation of the station. 
D) no inertia in space. 
A) the absence of Earth gravity at that altitude. 
B) the absence of a support force. 
C) rotation of the station. 
D) no inertia in space.

Question 2

The Universal Gravitational Constant G was first measured by

Accepted Answer

A) Galileo. 
B) Newton. 
C) Cavendish. 
D) none of these 
A) Galileo. 
B) Newton. 
C) Cavendish. 
D) none of these

Question 3

The force of gravity on a satellite in circular orbit doesn't change its speed because the force is

Accepted Answer

A) small compared to other forces on it. 
B) canceled by centrifugal force. 
C) perpendicular to its direction of motion. 
D) very weak due to altitude. 
A) small compared to other forces on it. 
B) canceled by centrifugal force. 
C) perpendicular to its direction of motion. 
D) very weak due to altitude.

Question 4

If there were no gravity,a ball thrown upward at an angle would follow a straight-line path.Due to gravity,however,at the end of 1 s it is

Accepted Answer

A) 5 m below the straight line. 
B) 10 m below the straight line. 
C) 15 m below the straight line. 
D) 20 m below the straight line. 
E) more than 20 m below the straight line. 
A) 5 m below the straight line. 
B) 10 m below the straight line. 
C) 15 m below the straight line. 
D) 20 m below the straight line. 
E) more than 20 m below the straight line.

Question 5

The parabolic path of a cannonball fired from a mountain top is actually

Accepted Answer

A) a segment of a circle if firing is horizontally. 
B) a segment of an ellipse. 
C) a path for escape speed. 
D) none of the above 
A) a segment of a circle if firing is horizontally. 
B) a segment of an ellipse. 
C) a path for escape speed. 
D) none of the above

Question 6

The radial velocity of an Earth satellite is its velocity

Accepted Answer

A) parallel to the surface of Earth. 
B) perpendicular to the surface of Earth. 
C) attributed to satellites moving in any direction. 
D) none of the above 
A) parallel to the surface of Earth. 
B) perpendicular to the surface of Earth. 
C) attributed to satellites moving in any direction. 
D) none of the above

Question 7

A "weightless" astronaut in an orbiting space vehicle is

Accepted Answer

A) shielded from Earth's gravitational effects. 
B) beyond the pull of gravity. 
C) without a support force. 
D) all of the above 
E) none of the above 
A) shielded from Earth's gravitational effects. 
B) beyond the pull of gravity. 
C) without a support force. 
D) all of the above 
E) none of the above

Occupants of the International Space Station experience weightlessness due to

The Universal Gravitational Constant G was first measured by

The force of gravity on a satellite in circular orbit doesn't change its speed because the force is

If there were no gravity,a ball thrown upward at an angle would follow a straight-line path.Due to gravity,however,at the end of 1 s it is

The parabolic path of a cannonball fired from a mountain top is actually

The radial velocity of an Earth satellite is its velocity

A "weightless" astronaut in an orbiting space vehicle is

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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Exam 4: Gravity, Projectiles, and Satellites

Occupants of the International Space Station experience weightlessness due to

The Universal Gravitational Constant G was first measured by

The force of gravity on a satellite in circular orbit doesn't change its speed because the force is

If there were no gravity,a ball thrown upward at an angle would follow a straight-line path.Due to gravity,however,at the end of 1 s it is

The parabolic path of a cannonball fired from a mountain top is actually

The radial velocity of an Earth satellite is its velocity

A "weightless" astronaut in an orbiting space vehicle is

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters