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Motion, Speed, and Forces

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Motion is a change in ____.

a)

time

b)

speed

c)

velocity

d)

position

2.

The speed you read on a speedometer is ____.

a)

instantaneous speed

b)

constant speed

c)

average speed

d)

velocity

3.

3 m/s north is an example of a(n) ____.

a)

speed

b)

velocity

c)

position

d)

acceleration

4.

A merry-go-round horse moves at a constant

speed but at a changing ____.

a)

velocity

b)

balanced force

c)

inertia

d)

unbalanced force

5.

Acceleration is rate of change of ____.

a)

position

b)

time

c)

velocity

d)

force

6.

If you ride your bike up a hill, then ride down the

other side, your acceleration is probably____.

a)

all positive

b)

all negative

c)

first positive, then negative

d)

first negative, then positive

7.

Inertia varies depending on ____.

a)

force

b)

mass

c)

velocity

d)

motion

8.

Newton's first law of motion is also called the

law of ____.

a)

mass

b)

inertia

c)

force

d)

constant velocity

9.

The relationship among mass, force, and

acceleration is explained by ____.

a)

conservation of momentum

b)

Newton's first law of motion

c)

Newton's second law of motion

d)

Newton's third law of motion

10.

The acceleration due to gravity is ____.

a)

a. 98 m/s2

b)

b. 9.8 m/s2

c)

c. 9.8 m/s

d)

d. 0.98 m/s

11.

For any object, the greater the force that's applied

to it, the greater its ____ will be.

a)

acceleration

b)

gravity

c)

inertia

d)

velocity

12.

The size of the gravitational force between two

objects depends on their ____.

a)

frictional forces

b)

inertia

c)

masses and the distance between them

d)

speed and direction

13.

As you get farther from the center of Earth, your

weight will ____.

a)

decrease

b)

increase

c)

remain the same

d)

can't tell from information given

14.

A real car moving at 10 km/h has more

momentum than a toy car moving at the same

speed because the real car ____.

a)

generates less friction

b)

has greater mass

c)

has less mass

d)

has greater forward motion

15.

In the equation p = m x v, the p represents ____.

a)

friction

b)

inertia

c)

momentum

d)

position

16.

The statement "to every action there is an equal

and opposite reaction" is ____.

a)

the law of conservation of momentum

b)

Newton's first law of motion

c)

Newton's second law of motion

d)

Newton's third law of motion

17.

When two balls collide, the momentum of the

balls after the collision is explained by ____.

a)

the law of conservation of momentum

b)

Newton's first law of motion

c)

Newton's second law of motion

d)

Newton's third law of motion

18.

Which segment from Fig.1 shows the object

at rest?

a)

A-B

b)

B-C

c)

C-D

d)

D-E

19.

Which segment from Fig. 1 shows the

greatest speed?

a)

A-B

b)

B-C

c)

C-D

d)

D-E

20.

In Fig. 1, during segment D-E the object is

__________.

a)

moving forward

b)

moving backward

c)

at rest

d)

accelerating

21.

In Fig.1, during B-C the object is

___________________.

a)

moving forward

b)

moving backward

c)

at rest

d)

accelerating

22.

In Fig.2, which of the following segments

show the object at rest?

a)

A-B

b)

B-C

c)

C-D

d)

D-E

23.

In Fig. 2, which line segment indicates the

greatest constant speed?

a)

O-A

b)

A-B

c)

D-E

d)

E-F

24.

In Fig. 2, during B-C the object is

__________.

a)

speeding up

b)

slowing down

c)

at rest

d)

maintaining a constant velocity

25.

In Fig.2, Which segment shows the greatest

positive acceleration?

a)

O-A

b)

A-B

c)

B-C

d)

D-E

26.

If you ride your bicycle down a straight road for

500 m then turn around and ride back, your

distance is ____ your displacement.

a)

greater than

b)

equal to

c)

less than

d)

can’t determine

27.

A horizontal line on a velocity/time graph shows

____ acceleration.

a)

positive

b)

negative

c)

changing

d)

zero

28.

In the absence of air, a penny and a feather that

are dropped from the same height at the same

time will ____.

a)

fall at different rates

b)

fall at the same rate

c)

float

d)

not have momentum

29.

According to Newton's second law of motion,

____.

a)

F = m x a

b)

F = m x v

c)

F = p x a

d)

F = p x v

30.

A 300-N force acts on a 25-kg object. The

acceleration of the object is ____.

a)

7,500 m/s2

b)

300 m/s2

c)

25 m/s2

d)

12 m/s2