Question 1

All the following may be represented by vectors except

Accepted Answer

A)  velocity. 
B)  acceleration. 
C)  speed. 
D)  displacement. 
A)  velocity. 
B)  acceleration. 
C)  speed. 
D)  displacement. C

Question 2

A continuous change in position is called ______________.

Accepted Answer

motion

Question 3

In straight-line motion,if a moving object speeds up,the direction of the acceleration is ______________ the direction of the velocity.

Accepted Answer

along,the same as,or parallel to

Question 4

Velocity is similar to speed,but a ________ is also involved in velocity.

Accepted Answer

A)  acceleration 
B)  direction 
C)  position 
D)  scalar 
A)  acceleration 
B)  direction 
C)  position 
D)  scalar

Question 5

A speedometer indicates ______________ if the automobile is traveling forward.

Accepted Answer

A)  instantaneous acceleration 
B)  instantaneous speed 
C)  instantaneous velocity 
D)  average speed 
E)  average acceleration 
A)  instantaneous acceleration 
B)  instantaneous speed 
C)  instantaneous velocity 
D)  average speed 
E)  average acceleration

Question 6

An object that is moving in a linear path with an acceleration in the direction of motion has a(n)______________ velocity.

Accepted Answer

A)  constant 
B)  increasing 
C)  decreasing 
D)  none of these 
A)  constant 
B)  increasing 
C)  decreasing 
D)  none of these

Question 7

Physics deals with force,energy,motion,and ______________.

Accepted Answer

The answer of Physics deals with force,energy,motion,and ______________....

Question 8

If the magnitude of the velocity of an object increases,we may be sure that during the time of this increase,

Accepted Answer

A)  the object is accelerated. 
B)  the acceleration of the object increases. 
C)  the object is moving in a straight path. 
D)  the object is changing direction. 
E)  none of these 
A)  the object is accelerated. 
B)  the acceleration of the object increases. 
C)  the object is moving in a straight path. 
D)  the object is changing direction. 
E)  none of these

Question 9

Dropped objects on the Moon fall at a slower rate than on Earth because of a smaller ______________.

Accepted Answer

accelerati

Question 10

When running and jumping to score,a basketball player seems to "hang" in the air because

Accepted Answer

A)  his or her acceleration is zero. 
B)  his or her horizontal velocity is quite small. 
C)  both components of motion are zero. 
D)  his or her vertical velocity is quite small. 
E)  levitation is possible with practice. 
A)  his or her acceleration is zero. 
B)  his or her horizontal velocity is quite small. 
C)  both components of motion are zero. 
D)  his or her vertical velocity is quite small. 
E)  levitation is possible with practice.

Question 11

In projectile motion,which of the following is not constant?

Accepted Answer

A)  Vertical velocity 
B)  Horizontal velocity 
C)  Acceleration 
D)  None of these 
A)  Vertical velocity 
B)  Horizontal velocity 
C)  Acceleration 
D)  None of these

Question 12

A rifle bullet shot horizontally has a vertical acceleration of ______________.

Accepted Answer

9.8 m/s²,or

Question 13

A freely falling object

Accepted Answer

A)  has a uniformly increasing velocity. 
B)  is unaffected by gravity. 
C)  has a uniformly increasing acceleration. 
D)  has a uniformly increasing displacement. 
A)  has a uniformly increasing velocity. 
B)  is unaffected by gravity. 
C)  has a uniformly increasing acceleration. 
D)  has a uniformly increasing displacement.

Question 14

An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s.What is the direction of its acceleration?

Accepted Answer

A)  Toward the center of the circle 
B)  Normal to the plane of the circle 
C)  Insufficient data given for determination 
D)  Tangential to the circle 
E)  None of these 
A)  Toward the center of the circle 
B)  Normal to the plane of the circle 
C)  Insufficient data given for determination 
D)  Tangential to the circle 
E)  None of these

Question 15

Which one of the following is not an area of physics?

Accepted Answer

A)  Mechanics 
B)  Optics 
C)  Algebra 
D)  Acoustics 
A)  Mechanics 
B)  Optics 
C)  Algebra 
D)  Acoustics

Question 16

Which of the following is a possible unit of acceleration?

Accepted Answer

A)  m/s2 
B)  m × s 
C)  m2/s 
D)  m/s 
A)  m/s2 
B)  m × s 
C)  m2/s 
D)  m/s

Question 17

An automobile's acceleration may be changed by using the

Accepted Answer

A)  windshield wipers. 
B)  steering wheel. 
C)  radio. 
D)  horn. 
A)  windshield wipers. 
B)  steering wheel. 
C)  radio. 
D)  horn.

Question 18

Which of the following statements is not true?

Accepted Answer

A)  Displacement has a direction and a magnitude. 
B)  Acceleration has a magnitude only. 
C)  Speed has a magnitude only. 
D)  Velocity has a magnitude and a direction. 
A)  Displacement has a direction and a magnitude. 
B)  Acceleration has a magnitude only. 
C)  Speed has a magnitude only. 
D)  Velocity has a magnitude and a direction.

Question 19

An object that is moving in a linear path with an acceleration at a right angle to the motion has a(n)______________ velocity.

Accepted Answer

A)  changing 
B)  increasing 
C)  decreasing 
D)  constant 
A)  changing 
B)  increasing 
C)  decreasing 
D)  constant

Question 20

In free fall,the ______________ is constant.

Accepted Answer

The answer of In free fall,the ______________ is constant....

Exam 2: Motion

All the following may be represented by vectors except

A continuous change in position is called ______________.

In straight-line motion,if a moving object speeds up,the direction of the acceleration is ______________ the direction of the velocity.

Velocity is similar to speed,but a ________ is also involved in velocity.

A speedometer indicates ______________ if the automobile is traveling forward.

An object that is moving in a linear path with an acceleration in the direction of motion has a(n)______________ velocity.

Physics deals with force,energy,motion,and ______________.

If the magnitude of the velocity of an object increases,we may be sure that during the time of this increase,

Dropped objects on the Moon fall at a slower rate than on Earth because of a smaller ______________.

When running and jumping to score,a basketball player seems to "hang" in the air because

In projectile motion,which of the following is not constant?

A rifle bullet shot horizontally has a vertical acceleration of ______________.

A freely falling object

An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s.What is the direction of its acceleration?

Which one of the following is not an area of physics?

Which of the following is a possible unit of acceleration?

An automobile's acceleration may be changed by using the

Which of the following statements is not true?

An object that is moving in a linear path with an acceleration at a right angle to the motion has a(n)______________ velocity.

In free fall,the ______________ is constant.

Measurement

Force and Motion

Work and Energy

Temperature and Heat

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural G Eology and P Late Tectonics

Minerals, rocks, and Volcanoes

Surface Processes

Geologic Time

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