Quiz about Forces and Motion Unit Test

Question 1

A _____ is a pull or a push.

Accepted Answer

force

Answer

friction

Answer

gravity

Answer

speed

Question 2

_____ is the force that slows and stops motion between touching objects.

Accepted Answer

Friction

Answer

Gravity

Answer

Pull

Answer

Push

Question 3

Another way that force can cause the change in an object's motion is to...

Accepted Answer

change its direction.

Answer

change its color.

Answer

change its pitch.

Answer

change its reference point.

Question 4

In the image, what force is acting on arrow A?

Accepted Answer

gravity

Answer

friction

Answer

push

Answer

Jedi force

Question 5

A car traveled 120 km in 2 hours. Using this data, you can calculate its _____.

Accepted Answer

speed.

Answer

velocity.

Answer

position.

Answer

mass.

Question 6

At which point are the forces unbalanced?

Accepted Answer

B

Answer

A

Answer

C

Answer

All of the above

Question 7

Which graph shows constant speed, decrease in speed,

and then a constant speed?

Accepted Answer

Graph on left

Answer

Both Graphs

Answer

Graph on right

Answer

Neither graph

Question 8

Which is true from Newton's Third law of motion?

Accepted Answer

For every action force there is an equivalent reaction force in the opposite direction.

Answer

For every action force there is a smaller reaction force in the opposite direction.

Answer

Both 1 and 2

Answer

None of the above

Question 9

What is Newtons 2nd law?

Accepted Answer

f=ma

Answer

equal&opposite force

Answer

law inertia

Question 10

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

Accepted Answer

0

Answer

5

Answer

10

Answer

21

Question 11

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

Accepted Answer

Inertia

Answer

Acceleration

Answer

Gravity

Answer

Weight

Question 12

The formula ...

? = mass x acceleration

Is used to find which of the following:

Accepted Answer

Force

Answer

Velocity

Answer

Momentum

Answer

Gravity

Question 13

The formula ...

? = Distance / Time

is used to find which of the following?

Accepted Answer

Speed

Answer

Velocity

Answer

Force

Answer

Momentum

Question 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

Accepted Answer

Newton's second law, the law of acceleration

Answer

Newton's first law, the law of inertia

Answer

Newton's third law, the law of action reaction

Answer

The law of universal gravitation

Question 15

What is the net force?

Accepted Answer

400 N Down

Answer

400 N Up

Answer

- 400 N Down

Answer

800 N Down

Question 16

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

Accepted Answer

Acceleration

Answer

Velocity

Answer

Time

Question 17

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

Accepted Answer

All objects in the universe.

Answer

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

Answer

Only objects that orbit the sun, like planets.

Answer

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

Question 18

What will the net force on the soccer ball be?

Accepted Answer

50 N to the left

Answer

50 N to the right

Answer

200 N to the left

Answer

200 N to the right

Question 19

What effect does friction have on a moving object?

Accepted Answer

it causes the moving object to slow and eventually stop

Answer

it causes the moving object to speed up

Answer

it keeps the moving object moving in the same direction forever

Answer

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

Question 20

This motion graph represents:

Accepted Answer

body at rest

Answer

constant speed

Answer

acceleration

Answer

slowing down

Question 21

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

Accepted Answer

The normal force is exactly 15

Answer

The normal force is less than 15

Answer

The normal force is more than 15

Answer

The normal force is -10

Question 22

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

Accepted Answer

Newton

Answer

force

Answer

motion

Answer

speed

Question 23

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

Accepted Answer

gravity

Answer

force

Answer

friction

Answer

Newton

Question 24

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

Accepted Answer

velocity

Answer

speed

Answer

slope

Answer

acceleration

Question 25

The rate at which velocity changes

Accepted Answer

acceleration

Answer

speed

Answer

slope

Answer

velocity

Forces and Motion Unit Test

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