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Force and Motion Unit Review

Total questions: 88

Worksheet time: 34mins

Name
Class
Date
1.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
2.

The ability to do work is called ___________________.

a)

force

b)

gravity

c)

energy

d)

friction

3.

A measurement of distance over time

a)

speed

b)

acceleration

c)

force

d)

distance

4.

A measure of how fast something moves or the distance it moves, in a given amount of time.

a)

Motion

b)

Position

c)

Acceleration

d)

Speed

5.
It took a snail 5 seconds to travel 10 inches. How fast was the snail moving?
a)
2 mph
b)
2 in/s
c)
50 in/s
d)
15 in/s
6.
If a person walks 40 meters in 10 seconds how fast are they walking?
a)
400 m/s
b)
4 mph
c)
4 m/s
d)
50 m/s
7.
A car travels 50 miles in 2 hours. At what speed was the car traveling?
a)
25 mph
b)
100 mph
c)
52 mph
d)
48 mph
8.

What is the formula for speed?

a)

speed = distance x time

b)

speed=distance / time

c)

speed = time / distance

d)

speed = distance + time

9.

What does the solid line on this graph represent?

a)

Constant speed

b)

Acceleration

c)

At rest

d)

deceleration

10.

What is the line on this graph showing?

a)

moving away from starting point at a constant speed

b)

moving back towards the starting point at a constant speed

c)

acceleration (getting faster)

d)

deceleration (getting slower)

11.

What is this line of this graph showing?

a)

moving away from starting point at a constant speed

b)

moving back towards the starting point at a constant speed

c)

acceleration (getting faster)

d)

deceleration (getting slower)

12.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
13.
Which line represents an object moving at a faster speed?
a)
A
b)
B
14.
Which line represents an object moving at a slower speed?
a)
A
b)
B
15.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
16.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
17.

Which has a greater impact on KE?

a)

mass

b)

speed

18.
The Law of Conservation of Energy states that
a)
energy cannot be created nor destroyed, only transformed or transferred
b)
energy can be destroyed but not created
c)
energy can be created but not destroyed
19.
When one energy form is changed into another it is called a
a)
transformation
b)
transfer
c)
translocation
d)
transcription
20.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
21.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
22.
The SI unit in which kinetic energy is measured is 
a)
Newton
b)
Kilogram
c)
Joules
d)
Metres per second
23.

the variable the scientist changes on purpose

a)

independent

b)

responding

c)

dependent

d)

changer

24.

the variable that may respond

a)

dependent

b)

independent

c)

manipulated

d)

affected

25.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
26.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
27.
Which is the best example of kinetic energy?
a)
a car parked on a steep hill 
b)
a tennis ball rolling across the court
c)
a picture hanging on the wall 
d)
a piece of coal before it's burned 
28.

Mass and speed both affect the amount of kinetic energy an object has, but ____________ has a greater effect.

a)

mass

b)

speed

c)

volume

d)

weight

29.

Increasing an object's mass will increase its kinetic energy.

a)

true

b)

false

30.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

31.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and weight

c)

weight and height

d)

mass and speed

32.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
33.
When riding a roller coaster, you go up and down many hills. When do you have the maximum (most) kinetic energy?
a)
At the top of each hill.
b)
As you go down each hill.
c)
At the bottom of each hill.
d)
As you go up each hill.
34.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
35.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
36.

When does an object have no kinetic energy?

a)

When it's at rest.

b)

When it's moving very slowly.

c)

When the only force that's acting on it is gravity.

d)

When it has no electrical charge.

37.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

38.

Which would have the LEAST gravitational potential energy (GPE)?

a)

A ball sitting on the ground

b)

Moon viewed from the Earth

c)

An airplane flying 30,000 feet above the ground

d)

A rock sitting on top of Mt. Everest

39.

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

40.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed or transfered

c)

Energy can't be created, destroyed or transformed

d)

Energy cannot be created or destroyed.

41.

What is the Total Energy at the top?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

42.

What is the KE 1/2 of the way down?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

43.

What is the KE at point B?

a)

14 J

b)

12 J

c)

6 J

d)

8 J

44.

What is the Total Energy of the system?

a)

14 J

b)

12 J

c)

6 J

d)

8 J

45.

What is the KE at point D?

a)

14 J

b)

12 J

c)

6 J

d)

8 J

46.

What is the Kinetic Energy at point C?

a)

500,000 J

b)

400,000 J

c)

300,000 J

d)

50,000 J

47.

What is the Kinetic Energy at point D?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

50,000 J

48.

What is the GPE at point E?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

100,000 J

49.

What is the KE at point F?

a)

500,000 J

b)

250,000 J

c)

300,000 J

d)

0 J

50.

What is the KE 1/2 of the way down?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

51.

What is the GPE at the top?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

52.

What is the KE half way down?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

53.

What is the Total Energy at the bottom?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

54.

What is the KE half way down?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

55.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
56.

What happened during B to C point?

a)

deceleration

b)

constant speed

c)

at rest

d)

acceleration

57.
What happened during C to D point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a constant speed
d)
moving at 0 m/s2 acceleration
58.
What is the speed this motion?
a)
constant speed
b)
not moving
c)
speed increasing
d)
speed increasing at a constant rate
59.
Which graph is showing acceleration (getting faster)
a)
D
b)
E
c)
both D and E
d)
neither D or E
60.
What is the net force and the direction of movement?
a)
50 Newtons, Left
b)
50 Newtons, Right
c)
500 Newtons, RIght
d)
450 Newtons, LEft
61.

As the fuel in a rocket ignites, the force of the gas expansion and explosion pushes out the back of the rocket and pushes the rocket forward.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

62.

When you are standing up in a subway train, and the train suddenly stops, your body continues to go foward.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

63.

After you start up your motorbike, as you give it more gas, it goes faster.

a)

1st law

b)

2nd law

c)

3rd law

64.

A pitched baseball goes faster than one that is gently thrown.

a)

1st law

b)

2nd law

c)

3rd law

65.

A swimmer pushes water back with her arms, but her body moves forward.

a)

1st law

b)

2nd law

c)

3rd law

66.

As an ice skater pushes harder with his leg muscles, he begins to move faster.

a)

1st law

b)

2nd law

c)

3rd law

67.

When Bobby, age 5, and his dad are skipping pebbles on the pond, the pebbles that Bobby's dad throws go farther and faster than his.

a)

1st law

b)

2nd law

c)

3rd law

68.

When you paddle a canoe, the canoe goes forward.

a)

1st law

b)

2nd law

c)

3rd law

69.

A little girl who has been pulling a sled behind her in the snow is crying because when she stopped to tie her hat on, the sled kept moving and hit her in the back of her legs.

a)

1st law

b)

2nd law

c)

3rd law

70.

The magician pulled the tablecloth out from under the dishes and the dishes were left undisturbed.

a)

1st law

b)

2nd law

c)

3rd law

71.

The books are applying a force to the table and the table is applying the same amount of force back on the books.

a)

1st law

b)

2nd law

c)

3rd law

72.

An empty wagon is easier to pull than a full wagon.

a)

1st law

b)

2nd law

c)

3rd law

73.

The water goes forward out of the hose and the fireman takes a step backwards.

a)

1st law

b)

2nd law

c)

3rd law

74.

It is easier to pull the small rock than it is to pull the larger rock.

a)

1st law

b)

2nd law

c)

3rd law

75.

When you push down on the diving board, the diving board pushes you back up again.

a)

1st law

b)

2nd law

c)

3rd law

76.

The skateboarder pushes back with one foot, but the skateboard moves forward.

a)

1st law

b)

2nd law

c)

3rd law

77.

Quickly clicking the coin leads the coin to falling in the cup.

a)

1st law

b)

2nd law

c)

3rd law

78.

When we walk, we push back with our foot, but we move forward.

a)

1st law

b)

2nd law

c)

3rd law

79.

Newton's second law states that greater the mass the more _________ will be needed to move the object.

a)

power

b)

force

c)

distance

d)

speed

80.
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.
81.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity 
d)
displacement 
82.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
83.
What is a force that works AGAINST MOTION?
a)
Force
b)
Motion
c)
Gravity
d)
Friction
84.
What happens when two forces act in the same direction?
a)
They cancel each other out.
b)
The stronger one prevails.
c)
Their strengths are added.
d)
Their sum divided by the two is the total force.
85.

As mass of a vehicle increase, what happens to stopping distance?

a)

stopping distance increases

b)

stopping distance decreases

c)

it will remain the same

d)

mass does not affect stopping distance

86.

As speed increases, what happens to stopping distance?

a)

stopping distance increases

b)

stopping distance decreases

c)

it will remain the same

d)

speed does not affect stopping distance

87.

Calculate the net force of the object in the image shown.

a)
20N
b)
35N
c)
5N
d)
25N
88.

What is the net force?

a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 

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