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Forces and Motion Unit Test

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.
A _____ is a pull or a push.
a)
force
b)
friction
c)
gravity
d)
speed
2.
_____ is the force that slows and stops motion between touching objects.
a)
Friction
b)
Gravity
c)
Pull
d)
Push
3.
Another way that force can cause the change in an object's motion is to...
a)
change its color.
b)
change its pitch.
c)
change its direction.
d)

change its reference point.

4.
In the image, what force is acting on arrow A?
a)
friction
b)
gravity
c)
push
d)
Jedi force
5.
A car traveled 120 km in 2 hours. Using this data, you can calculate its _____.
a)
speed.
b)
velocity.
c)
position.
d)
mass.
6.

At which point are the forces unbalanced?

a)

A

b)

B

c)

C

d)

All of the above

7.

Which graph shows constant speed, decrease in speed,

and then a constant speed?

a)

Graph on left

b)

Both Graphs

c)

Graph on right

d)

Neither graph

8.
Which is true from Newton's Third law of motion?
a)
For every action force there is a smaller reaction force in the opposite direction.
b)
For every action force there is an equivalent reaction force in the opposite direction.
c)
 Both 1 and 2
d)
None of the above
9.
What is Newtons 2nd law?
a)
equal&opposite force
b)
law inertia
c)
f=ma
10.

When forces on an object are balanced, what is the net force?

a)

0

b)

5

c)

10

d)

21

11.

______________ measures an object's tendency to resist changing its motion.

a)

Acceleration

b)

Inertia

c)

Gravity

d)

Weight

12.

The formula ...

? = mass x acceleration


Is used to find which of the following:

a)

Force

b)

Velocity

c)

Momentum

d)

Gravity

13.

The formula ...

? = Distance / Time


is used to find which of the following?

a)

Velocity

b)

Force

c)

Momentum

d)

Speed

14.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
15.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
16.

_____________ is a change in speed, a change in direction, or both.

a)

Acceleration

b)

Velocity

c)

Time

17.

According to Newton, what kinds of objects are affected by gravity?

a)

Only objects inside the earth's atmosphere, like apples.

b)

Only objects that orbit the sun, like planets.

c)

Only objects with a lot of mass, like human beings.

d)

All objects in the universe.

18.

What will the net force on the soccer ball be?

a)

50 N to the left

b)

50 N to the right

c)

200 N to the left

d)

200 N to the right

19.

What effect does friction have on a moving object?

a)

it causes the moving object to slow and eventually stop

b)

it causes the moving object to speed up

c)

it keeps the moving object moving in the same direction forever

d)

it causes the moving object to turn around and move in the opposite direction

20.

This motion graph represents:

a)

constant speed

b)

acceleration

c)

body at rest

d)

slowing down

21.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

22.

The unit for the strength of a force is known as a ?

a)

force

b)

motion

c)

speed

d)

Newton

23.

A force that pulls objects towards each other due to their masses.

a)

force

b)

gravity

c)

friction

d)

Newton

24.

The speed at which an object travels in a given direction.

a)

speed

b)

slope

c)

velocity

d)

acceleration

25.

The rate at which velocity changes

a)

speed

b)

slope

c)

velocity

d)

acceleration

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