wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Forces CF Review

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.
______ forces affect the motion of an object by speeding it up, slowing it down, or changing the direction of it.
a)
Balanced
b)
Strong
c)
Unbalanced
d)
WeaK
2.
Which law of motion states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force?
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
3.
An object's resistance to its change in motion is its
a)
Friction
b)
Inertia
c)
Gravity
d)
Pressure
4.
Which law of motion is explained by the equation:
Force = Mass x Acceleration
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
5.
As the force applied to an object increases, its acceleration______
a)
decreases
b)
increases
c)
stays the same
d)
does not exist
6.
As the mass of an object decreases, its acceleration _______
a)
decreases
b)
increases
c)
stays the same
d)
does not exist
7.

Is the object in equillibrium?

a)

Yes

b)

No

c)

Not enough information

8.

Is the object in equillibrium?

a)

Yes

b)

No

c)

Not enough information

9.

Is the object in equillibrium?

a)

Yes

b)

No

c)

Not enough information

10.

If the object in this picture is in equilibrium, What is the force of friction?

a)

0

b)

12

c)

8

d)

4

11.

If the object in this picture is in equilibrium, What is the Normal Force?

a)

0

b)

10

c)

19

d)

28

12.

A hiker pushed on a large rock, but it did not move. He pushed 300 N to the left. How much force does he feel from the rock?

a)

Less than 300

b)

300

c)

More then 300

13.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
14.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
15.

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

a)

20 m/s2

b)

0.5 m/s2

c)

2 m/s2

d)

120 N

16.

If an object was accelerating at 5 m/s2, and a force of 10 newtons was required to accelerate it, what was the object's mass?

a)

50 kg

b)

2 kg

c)

0.5 kg

d)

5 kg

17.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

18.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
19.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
20.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
21.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
22.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
23.

Which block above will have the greatest net force?

a)

Block 1

b)

Block 2

c)

Block 3

d)

Block 4

24.

________________is not a force

a)

Friction

b)

Gravity

c)

Mass

d)

Pushing and Pulling

25.

When balanced forces act on an object, the net force is __________.

a)

positive

b)

zero

c)

negative

d)

increased due to friction

26.
The force that acts in the opposite direction of motion when two surfaces come in contact. 
a)
Force
b)
Friction
c)
Static
d)
Kinetic 
27.
What are the units on the coefficient of friction?
a)
none
b)
Newtons
c)
meters
d)
kilograms
28.

For an object on a ramp, which of the following statements is FALSE?

a)

Friction force acting on the object on a ramp is the net force.

b)

Gravitational force is always drawn vertically straight down.

c)

Normal force has the same magnitude as the gravitational force.

d)

SOH CAH TOA is useful in determining forces on incline.

29.

How are the maximum static friction force and kinetic friction force related?

a)

The kinetic friction force is greater than the maximum static friction force

b)

The maximum static friction is greater than the kinetic friction force

c)

both forces are equal to each other

d)

both forces are equal to the force an object is pushed across a surface with.

30.

What force is necessary to maintain a object's velocity?

a)

-9.8 N

b)

a force equal to its weight

c)

a force equal to its mass

d)

0 N

31.

What is the reaction force to a pitcher pushing a ball forward to throw it?

a)

the air resistance of the ball in the air

b)

the weight of the ball

c)

the ball pushing on the pitcher's hand

d)

the air resistance of the pitcher's arm through the air

32.

Which best describes static friction?

a)

A force which acts on an object sliding across a surface opposite the direction of its movement with a single, constant value

b)

A force which acts on a stationary object, opposing another force acting on the object until the maximum force is overcome

c)

A force which acts on an object traveling through a fluid and acts opposite of the direction of motion

d)

A force which acts against any forces perpendicular to a surface.

33.

Which best describes kinetic friction?

a)

A force which acts on an object sliding across a surface opposite the direction of its movement with is single, constant value.

b)

A force which acts on a stationary object, opposing another force acting on the object until the maximum force is overcome.

c)

A force which acts on an object traveling through a fluid and acts opposite of the direction of motion.

d)

A force which acts against any forces perpendicular to a surface.

34.

Which best describes air resistance?

a)

A force which acts on an object sliding across a surface opposite the direction of its movement with is single, constant value.

b)

A force which acts on a stationary object, opposing another force acting on the object until the maximum force is overcome.

c)

A force which acts on an object traveling through the air opposite of the direction of motion.

d)

A force which acts against any forces perpendicular to a surface.

35.

Which best describes normal force?

a)

A force which acts on an object sliding across a surface opposite the direction of its movement with is single, constant value.

b)

A force which acts on a stationary object, opposing another force acting on the object until the maximum force is overcome.

c)

A force which acts on an object traveling through the air opposite of the direction of motion.

d)

A force which acts against any forces perpendicular to a surface.

36.

During which point in the graph does the object the graph is describing first begin to move?

a)

A

b)

B

c)

C

37.

If a fly hits a windshield which force is greater?

a)

The force of the fly pushing the windshield

b)

The force of the windshield pushing the fly

c)

Both forces are the same

38.

What force completes an action reaction pair with a man pushing a box

a)

friction of the box with the ground

b)

the box pushing on the man

c)

the normal force pushing the box up

d)

gravity pulling the box down