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Force, Friction, and Momentum

Total questions: 35

Worksheet time: 23mins

Name
Class
Date
1.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
2.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
3.

Which of the following is the formula for momentum?

a)

p = mv

b)

M = mv

c)

F = ma

d)

g = mc2

4.

Which of the following is the unit for momentum?

a)

kg·m/s

b)

kg·m

c)

kg·m/s2

d)

Momentum has no unit.

5.

Calculate the momentum of a 55-kg running back moving forward at 10 m/s. (p=mv)

a)

550 kg·m/s

b)

-550 kg·m/s

c)

5.5 kg·m/s

d)

-5.5 kg·m/s

6.
The definition of momentum is
a)
Mass in Motion
b)
The size of an object
c)
The velocity of an object
d)
A comparison between two objects
7.

What happens if forces are balanced?

a)

The object will move left

b)

The object will move right

c)

The object will not move

d)

The object will but slow down

8.

What happens if forces are unbalanced?

a)

The object will changed direction, shape or speed

b)

It will move left

c)

It will move right

d)

It will only slow down

9.

What is the net force? Forces moving in the same direction are added together.

a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
10.

What is a formula for force?

a)

F = mc

b)

F = ma

c)

F = mb

d)

F = m

11.

What can we say about the forces of an object that is not moving?

a)

there must only be one force acting on it

b)

The forces must be balanced

c)

the forces must be unbalanced

d)

it must be very heavy

12.
A push, pull, friction or gravity are all examples of..
a)
velocity
b)
Newton's First Law of Motion
c)
momentum
d)
force
13.
A force that acts on an object to slow or stop its motion
a)
speed
b)
friction
c)
gravity
d)
unbalanced forces
14.

the speed and direction of an object is known as its

a)
velocity
b)
momentum
c)
inertia
d)
mass
15.
The distance an object can travel in a specific amount of time is its
a)
motion
b)
position
c)
speed
d)
inertia
16.
the amount of matter an object has is its
a)
velocity
b)
mass
c)
inertia
d)
momentum
17.
An increase in speed or a change in velocity is
a)
force
b)
momentum
c)
acceleration
d)
balanced forces
18.
Equal forces acting in opposition to each other where no movement is created is a
a)
balanced force
b)
unbalanced force
c)
position time graph
d)
direction
19.
The location of an object is its
a)
velocity
b)
position
c)
motion
d)
momentum
20.

What type of friction is seen in the image below?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

21.
The ability to do work
a)
motion
b)
energy
c)
force
d)
gravity
22.
The force that pulls objects to earth or toward each other
a)
force
b)
gravity
c)
friction
d)
work
23.
A measure of the force of gravity on an object
a)
mass
b)
weight
c)
volume
d)
positions
24.
The strength or force that is gained by a moving object. It is greater when the object has a greater mass
a)
velocity
b)
momentum
c)
balanced force
d)
gravity
25.
Gravity is greater for a boulder falling than for a book falling. 
a)
TRUE
b)
FALSE
26.

The direction of force of friction is always _____ to the direction of motion

a)

same

b)

opposite

c)

unchanged

d)

none of these

27.

Without friction, an object in motion would never stop.

a)

true

b)

false

28.

Which of these materials do you predict would have the MOST amount of friction?

a)

metal

b)

tile

c)

sand paper

d)

denim

29.

What two things determine the gravity of an object?

a)

mass & weight

b)

mass & distance

c)

density & mass

d)

volume & distance

30.

What type of friction is shown in the example below?

a)

Sliding

b)

Rolling

c)

Fluid

d)

Static

31.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
kg/ m2
32.

Why do astronauts bounce so high on the moon?

a)

The moon has more gravity

b)

The moon has no gravity

c)

The moon has less gravity

33.

Earth's gravity pulls everything toward:

a)

North

b)

South

c)

East

d)

The center of the earth

34.

What type of friction is shown in the image below?

a)

Sliding

b)

Rolling

c)

Fluid

d)

Static

35.

What type of friction is seen in the image below?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

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