Chapter 5 Test - Craig Fisher | Library

MULTIPLE CHOICE
-Choose the correct answer by clicking on your answer choice. Only one answer is correct. (2 pts. each)  

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A driver of an SUV drives past a jogger on the subdivision walking path. Relative to the jogger, the SUV is traveling 15 m/s. What is the reference point in this situation?

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Which of the following most closely illustrates motion by relating it to a reference point?

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Which of the following best represents acceleration as presented on a graph?

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When the net forces are equal 0 N, they are which of the following?

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Which of the following always causes a change in speed, direction or both?

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Which of the following causes an object to start moving?

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What is a force that opposes motion between two surfaces that are in contact?

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Which of these is opposed by kinetic friction?

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The force of gravity

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Which is an example of friction that is helpful?

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To calculate an object's acceleration, you need to know

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If you are in a spacecraft that has been launched into space, your weight would

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A hiker's velocity begins at 1.8 m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?

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In which of the following is a skater NOT accelerating?

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A student has a weight of 420 N on Earth. What is the student's weight on the moon? (Moon's gravity = 1/6 of Earth's gravity).

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If Earth's mass doubled without changing its size, your weight would

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The force of gravity is greater between two objects that

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What would you call a building if you compared it with a moving student?

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What two things does speed depend on?

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What is a way to reduce friction?

COMPLETION
-Complete the following questions by selecting the correct answer from the word bank. Misspelled words will be marked as incorrect. Some answers may be used more than once, others may not be used at all. (2 pts. each)

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

When a push or pull is acting on any object, a _______________________ is being exerted on that object.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

When a batter in a baseball game hits the ball, the ball changes direction and moves. These changes occur because a(n) __________________________ force has been applied to the ball.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

When forces are ____________________ the object of the forces does not move.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

The newton is the S.I. unit of _________________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

The speed of an object in a particular direction is ______________________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

A force that always acts to oppose motion is ___________________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

An object's ___________________ can change with location.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

Your speed is not changing but your direction is. You are still ______________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

If a driver's acceleration is positive, then the driver's velocity is ____________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

A change in motion is caused by a _____________________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

A unit for force is _________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

The force that pulls everything towards Earth's center is Earth's ___________________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

The S.I. unit for mass is the ______________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

A force that opposes motion between two surfaces is ______________________________.

balanced,                          unbalanced,                                  net force,                            total force,                         force,                  motion,                weight,                   acceleration,                mass,           velocity,            gravity,                   speed,                          friction,                   increasing,              accelerating,                  a newton,               decreasing,           kilogram,           roughness

2

Friction is greater when surfaces have more ___________________________.

 MATCHING
-Complete the following matching questions by clicking on the correct answer. Only one answer is correct. (2 pts. each)  

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change in position relative to a reference point

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the distance an object moved over the time in which the motion occured

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the speed of an object in a certain direction

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the rate of velocity change over time

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A push or a a pull that always acts on an object.

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A change in a moving object's speed or direction.

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A force that always acts to oppose motion.

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A measure that does not change when an object's location changes.

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The measure of gravitational force.

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Distance and direction traveled over time.

SHORT ANSWER
-Write in complete sentences to answer the following questions. One or two word responses will earn NO credit. Logically connect your thoughts and answer the question that is asked, not the question you think has been asked! (2 pts. each)

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Which of the following would NOT help you move a heavy object across a concrete floor? water, ball bearings, oil, soap suds, steel rods, foam rubber

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What happens when a force is applied to two surfaces in contact?

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Name three common items that you might use to increase friction.

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What is the difference between mass and weight?

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What must you know in order to determine the gravitational force between two objects?

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