Question 1

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 theseE) All of the above
F) A) and B)

Question 2

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

Accepted Answer

9.8 m/s²,or...

Question 3

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

Accepted Answer

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

Question 4

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.F) A) and D)
G) A) and C)

Question 5

Which of the following is a possible unit of acceleration?

Accepted Answer

A)   m/s2
B)   m × s
C)   m2/s
D)   m/sE) B) and C)
F) None of the above

Question 6

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.E) C) and D)
F) B) and C)

Question 7

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

Accepted Answer

A)   acceleration
B)   direction
C)   position
D)   scalarE) None of the above
F) A) and B)

Question 8

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

Accepted Answer

A)   Mechanics
B)   Optics
C)   Algebra
D)   AcousticsE) B) and D)
F) C) and D)

Question 9

In free fall,the ______________ is constant.

Accepted Answer

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

Question 10

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 theseF) A) and D)
G) B) and D)

Question 11

An automobile's acceleration may be changed by using the

Accepted Answer

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

Question 12

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.E) C) and D)
F) None of the above

Question 13

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 theseF) A) and B)
G) B) and E)

Question 14

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

Accepted Answer

accelerati...

Question 15

A continuous change in position is called ______________.

Accepted Answer

motion

Question 16

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

Accepted Answer

A)   Vertical velocity
B)   Horizontal velocity
C)   Acceleration
D)   None of theseE) B) and C)
F) All of the above

Question 17

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)   constantE) None of the above
F) C) and D)

Question 18

All the following may be represented by vectors except

Accepted Answer

A)   velocity.
B)   acceleration.
C)   speed.
D)   displacement.E) All of the above
F) A) and D) C

Question 19

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 accelerationF) B) and C)
G) C) and D)

Question 20

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

Exam 2: Motion

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

Correct AnswerverifiedShow Answer

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

Correct Answerverified9.8 m/s2,or...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is a possible unit of acceleration?

Correct AnswerverifiedShow Answer

Which of the following statements is not true?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In free fall,the ______________ is constant.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An automobile's acceleration may be changed by using the

Correct AnswerverifiedShow Answer

A freely falling object

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedaccelerati...View AnswerShow Answer

A continuous change in position is called ______________.

Correct Answerverifiedmotion

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All the following may be represented by vectors except

Correct AnswerverifiedC

A speedometer indicates ______________ if the automobile is traveling forward.

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedalong,the same as,or parallel to

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accelerati...
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motion

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C

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along,the same as,or parallel to