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Forces

Total questions: 75

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

What type of force is this man using to push his grocery cart?

a)

Normal Force

b)

Gravity

c)

Air Resistance

d)

Applied Force

2.

Is this an example of a balanced or unbalanced force?

a)

Balanced force

b)

Unbalanced force

c)

I don't know

3.

In this force diagram, which arrow is representing Friction?

a)

A

b)

B

c)

C

d)

D

4.

In this force diagram, which arrow is representing the Normal Force?

a)

A

b)

B

c)

C

d)

D

5.

How do you know if this object is balanced?

a)

It's not balanced; it's Net Force is 14 N

b)

It is balanced because its Net Force is 0 N.

c)

It's not balanced; it's Net Force is 10 N left and 4 N up.

d)

I don't know how to tell.

6.

According to this force diagram, is this object balanced or unbalanced?

a)

Balanced

b)

Unbalanced

7.

What is the net force on this object?

a)

80 N West

b)

80 N East

c)

40 N West

d)

40 N East

8.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

9.

Which force is having the greatest impact on this object currently?

a)

Applied force

b)

Normal force

c)

Frictional force

d)

Gravitational force

10.

What is the Net Force on this object?

a)

11 N, right

b)

8 N, right

c)

3 N, left

d)

5 N, right

11.
What type of force is shown in the picture?
a)
The Cat force
b)
Star Wars Force
c)
Unbalanced force
d)
Balanced  force
12.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

13.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
14.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
15.

Forces that have a net force of zero.

a)

Balanced force

b)

Unbalanced force

16.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
17.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
18.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
19.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
20.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
21.
Which one is balanced?
a)
top
b)
bottom
c)
both
22.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
23.

Two forces act on an object to the right at the same time. What force is required to bring the object into equilibrium?

a)

9 N to the right

b)

9 N to the left

c)

3 N to the left

d)

18 N to the left

24.
(T or F?) A balanced force is only an object that is not moving. 
a)
True 
b)
False
25.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
26.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
d)
cannot be determined
27.

A push or a pull that starts, stops or changes the direction of an object

a)

force

b)

energy

c)

gravity

d)

motion

28.

MASS x ACCELERATION =

a)

Force

b)

motion

c)

speed

d)

push/pull

29.

Give and example of a force

a)

Gravity

b)

weather

c)

sleeping

d)

swimming

30.

What does this measure

a)

force

b)

weight

c)

mass

31.

The SI unit for force is _______

a)

Newtons

b)

Gravity

c)

Meter

d)

Joules

32.

Determines if and in which direction the object will move (total force)

a)

Net force

b)

Gravity

c)

Push

d)

Pull

33.

If both forces are going in the same direction you should______ those forces

a)

Add

b)

Subtract

c)

Divide

d)

Multiply

34.

When forces are going in the opposite direction of each other you should do what do find the net force

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

35.

What happens to an object if equal forces are pushing from opposite directions?

a)

Does not move

b)

Pushed up

c)

Pushed down

d)

Explodes

36.

Without air resistance objects drop,

a)

at the same time

b)

faster depending on mass

c)

depends on the object

d)

there will be no gravity

37.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
38.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
39.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
40.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
41.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
42.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
43.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
44.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
45.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
46.

What type of force is shown in the picture?

a)

Magnetic

b)

Gravitational

c)

Applied

d)

Normal

47.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
48.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
49.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
50.
A north pole and a south pole will attract.
a)
True
b)
False
51.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

52.

What type of force is this man using to push his grocery cart?

a)

Normal Force

b)

Gravity

c)

Air Resistance

d)

Applied Force

53.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

54.

Gravity is ____.

a)

a force that attracts objects towards each other

b)

a force that moves objects away

c)

a push or pull

55.

This is an example of ____.

a)

forces

b)

gravity

c)

magnetism

56.

This is an example of _____.

a)

magnetism

b)

gravity

c)

work

57.

This is an example of ____.

a)

gravity

b)

push

c)

pull

58.

This is an example of what force?

a)

pull

b)

push

c)

gravity

59.

This is an example of what force?

a)

push

b)

pull

c)

magnetism

60.

___________ forces always cause an object's motion to change.

a)

balanced

b)

unbalanced

c)

contact

d)

non-contact

61.

Distance and mass are factors that affect the force of _________.

a)

friction

b)

gravity

c)

balanced

d)

unbalanced

62.

Magnetic Force is an example of ____________ force.

a)

contact

b)

non-contact

c)

balanced

d)

unbalanced

63.

______________ is a force that always acts in the direction opposite of motion.

a)

applied

b)

friction

c)

gravity

d)

normal

64.

You are pulled to the surface of the earth due to the force of _________________

a)

gravity

b)

friction

c)

normal force

d)

contact force

65.

Applied force is an example of a _________________ force.

a)

contact

b)

non-contact

c)

balanced

d)

unbalanced

66.

The force that resists sliding between two touching objects is called _____________________

a)

normal force

b)

contact force

c)

non-contact force

d)

friction

67.

When there is no net force acting on an object, the forces are considered ___________________

a)

balanced

b)

unbalanced

c)

contact

d)

non-contact

68.

When the net force is not 0 N, the forces are considered ____________

a)

balanced

b)

unbalanced

c)

contact

d)

non-contact

69.

An icy road has less __________ than a dry road.

a)

friction

b)

gravity

c)

magnetism

d)

water

70.

Which two characteristics do all forces have?

a)

motion and size

b)

size and direction

c)

direction and speed

d)

balance and direction

71.

Which is an example of a non-contact force?

a)

elastic force

b)

normal force

c)

applied force

d)

electric force

72.

If the forces acting on an object are balanced, they must:

a)

act in the same direction

b)

result in a net force of 0 N

c)

act in three different directions

d)

result in a net force greater than 0 N

73.

What is the net force for the following diagram?

a)

0 N

b)

100 N up

c)

400 N

d)

50 N

74.

What is the net force for this picture?

a)

0 N

b)

5 N right

c)

485 N

d)

240 N

75.

What causes planets to orbit the sun?

a)

gravity & weight

b)

gravity & inertia

c)

gravity & mass

d)

gravity & density

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