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Energy, Forces and Motion

Total questions: 45

Worksheet time: 43mins

Name
Class
Date
1.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
2.

What is the net force being applied to the couch?

a)

5N RIght

b)

5 N Up

c)

45 N Right

d)

25 N Right

3.
What is the FORCE? 
a)
5 N
b)
10 N
c)
400 N
d)
0 N
4.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
5.
Which one is balanced?
a)
top
b)
bottom
c)
both
6.
Calculate the net force shown in the  diagram?
a)
41 N
b)
25 N
c)
16 N
d)
9 N
7.
In which direction will the box accelerate?
a)
Down and to the left
b)
Up and to the right
c)
Up and to the left
d)
Down and to the right
8.
In which direction will the box accelerate? 
a)
Down and to the left
b)
Down and to the right
c)
Up and to the left
d)
Up and to the right
9.
What is the net force?
a)

20 N to the right

b)
0 N 
c)

400 N to the right

d)

40 N to the right

10.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
11.

Weight is the measure of the force of ______ on an object.

a)

Density

b)

Mass

c)

Matter

d)

Gravity

e)

Velocity

12.

6) Which measurement would be different if you were on the Moon versus on Earth?

a)

Mass

b)

Weight

13.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
14.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
15.

Which is always the same no matter what planet you are on:

a)

Mass

b)

Weight

c)

Gravity

16.

Which has a STRONGER force of gravity, the Earth or the Moon?

a)

Earth

b)

Moon

17.

What two things determine the gravity of an object?

a)

mass & weight

b)

mass & distance

c)

density & mass

d)

volume & distance

18.

Which model has greater gravitational attraction.

a)

Model A

b)

Model B

c)

Model A and B have the same amount of gravitational attraction.

19.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
20.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
21.

What is a NON-CONTACT force?

a)

A push or pull force where the objects are not touching

b)

A push force where the objects are touching.

c)

An example would be pulling open a door.

d)

The only type of force that exists in the world.

22.

What are the three NON-CONTACT forces we are studying this unit?

a)

Gravity, friction, air resistance

b)

Forces, motion, human body systems

c)

Friction, electricity, muscular system

d)

Gravity, electricity, and magnetism

23.
If each object has the same mass, which pair has the strongest gravitational attraction?
a)
The first, because it appears to weigh the most.
b)
The first, because the arrows are thickest.
c)
The  second, because it has an even balance of weight and distance.
d)
The first, because the objects are closest together.
24.

Normal force is a...

a)

Contact Force

b)

Non-Contact Force

25.

Air resistance is a...

a)

Contact Force

b)

Non-Contact Force

26.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
27.

Which point represents maximum potential energy? 

a)

W

b)

X

c)

Y

d)

Z

28.

Which number shows the ball with the most kinetic energy?

a)

4

b)

5

c)

3

d)

1

29.

Clyde and Marilyn are riding a roller coaster. During which section(s) of the track is their kinetic energy converted to potential energy?

a)

from point B to point D

b)

from point A to point B

c)

from point B to point C

30.

What is the unit for Work?

a)

Newtons

b)

Watts

c)

Joules

d)

Meters

31.

What is the unit for Force?

a)

Newtons

b)

Watts

c)

Joules

d)

Meters

32.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
33.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
34.

Which person moved the fastest in 3 seconds?

a)

biker

b)

runner

c)

walker

d)

they are all moving equally

35.

According to the law of conservation of energy, energy can be created or destroyed.

a)

True

b)

False

36.

Distance and time are needed to calculate.....

a)
Travel
b)
Motion
c)
Velocity
d)
Speed
37.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
38.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
39.
Which answer best describes this image?
a)
The positive charge is repelling the negative charge.
b)
The blue charged object will repel the negatively red charged object.
c)
The positively charged red object will be attracted to the negatively charged blue object.
40.
The overall force acting on an object after all the forces are combined is called a 
a)
net force
b)
unbalanced force
c)
balanced force
41.

How will this object move?

a)

It will not move

b)

It will move in both directions

c)

It will move to the right

d)

It will move to the left

42.

The force that causes objects with mass to attract one another.

a)

Weight

b)

Gravity

c)

Mass

d)

Magnetism

43.

When an object speeds up, slows down or changes directions, there is ______ force acting on it.

a)

a balanced

b)

an unbalanced

44.

All of these are examples of kinetic energy except...

a)

a kitten running.

b)

a dish falling.

c)

a car parked.

d)

a wave crashing.

45.
a)

Accelerating gradually

b)

Stopping

c)

Slowing down constantly

d)

Speeding up constantly

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