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Motion and Energy Unit Test Review

Total questions: 117

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

What unit do we measure Force in?

a)

Newtons

b)

Joules

c)

Force

d)

Watts

2.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third 
d)
fourth
3.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N 
b)
40N 
c)
10N 
d)
70N
4.

a push or pull

a)

inertia

b)

force

c)

movement

d)

friction

5.
True of False?
An object's inertia is effected by its mass.
a)
False
b)
True
6.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law 
7.
Which of Newtons laws  best explains why football teams have big, large, fast athletes.
a)
Gravity
b)
second law
c)
first law
d)
Third law
8.
Friction and gravity are both examples of a force.
a)
True
b)
False
9.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
10.
Determine the momentum of 1000-kg car moving northward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north
11.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
12.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
13.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
14.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
15.
A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 
a)
18N left
b)
18N right
c)
2N right
d)
2N left
16.
If net force acting on object is 0, then the force is considered to be..
a)
Balanced
b)
Unbalanced
c)
Equal in Direction
d)
Distance/Time
17.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
18.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
19.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
20.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
21.
A person is pushed forward into their seat belt when a car stops.  Which law is this?
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
22.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
23.
A bike accelerates at 10 m/s2 when a force of 50N is applied.  What is the mass of the bike and its rider?
a)
25 kg
b)
200 kg
c)
20 kg
d)
5 kg
24.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
25.
Which of Newton's Laws is illustrated with a large mass and a small mass accelerating?
a)
1st Law, the Law of Inertia.
b)
2nd Law, the Law of Acceleration
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
26.
Two factors that determine work are
a)
size of the force, and distance
b)
size of the force, and type of force
c)
mass, and distance
27.
work is a measurement of how much force is applied over a certain
a)
distance
b)
velocity
c)
shape
d)
size
28.
units for work are
a)
netwons
b)
joules
c)
meters
d)
seconds
29.
if you push a cart with a force of 60 N for 2 m... how much work have you done
a)
120 J
b)
30 J
c)
120 N 
d)
30 N
30.
work transfers
a)
sweat
b)
energy
c)
velocity
d)
effort
31.
The unit used to measure power is the 
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
32.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
33.
Force is a _____ or _______
a)
simple    complex
b)
push     pull
c)
up      down
d)
in      out
34.
How much work is produced when 350 N is used to move a car 5 m?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
35.
P=25 watts 
W=5000 Joules 
t=???
a)
200 sec
b)
0.0005 s
c)
125000 s
d)
125 s
36.
How much time is needed to produce 720 Joules of work if 90 watts of power is used? 
a)
0.125 s
b)
8 s
c)
64800 s
d)
80 s
37.
Power is defined as the quantity that measures the rate at which _____ is done or energy is transformed.
a)
energy
b)
time
c)
work
d)
elasticity
38.
A kid applies a force of 70 N to a ball over 1.1 meters. How much work did he do on the ball? 
a)
77 J
b)
7.7 J 
c)
0.7 J 
d)
770 J 
39.
Simple machines make work easier by increasing what?
a)
The distance over which work is done 
b)
The force needed to do work 
c)
The time required to do work
d)
The acceleration of a massive object 
40.
Efficiency is a ______ of what you put in versus what you get out of a system.
a)
source
b)
ratio
c)
multiplication
d)
addition
41.
Efficiency is....
a)
measured in Joules.
b)
a percentage.
c)
measured in Watts.
d)
measured in Newtons.
42.
if a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?
a)
120 N
b)
5 N
c)
2000 N
d)
80 N
43.

What is the equation for mechanical advantage?

a)

MA=force effort*force resistance

b)

MA=force resistance/force effort

c)

MA=force effort/force resistance

d)

MA= force resistance - force effort

44.
What is the mechanical advantage if you lift a load of 300 newtons and you only push down with 50 newtons?
a)
250
b)
50
c)
60
d)
6
45.
What is the efficiency of a machine if 55.3 J of work are done on the machine, but only 14.3 J is produced by the 1machine?
a)
0.25 J
b)
26%
c)
386%
d)
3.86 J
46.
What is the efficiency of the machine if the input is 263 J and the output is 142 J? 
a)
6.26%
b)
54%
c)
100%
d)
260%
47.

What are the units for mechanical advantage?

a)

Joules

b)

Watts

c)

Newtons

d)

None

48.

Which of the following is the equation for efficiency?

a)

Efficiency = Work output / work input x 100

b)

Efficiency = work input / work output x 100

c)

Efficiency = work output / work input

d)

Efficiency = work output x work input / 100

49.

What are the units for momentum?

a)

kg

b)

Newtons

c)

Watts

d)

kg m/s

50.

What are the units for acceleration?

a)

m/s

b)

m/s2

c)

kg

d)

kg m/s

51.

What are the units for velocity?

a)

m/s

b)

m/s2

c)

kg

d)

kg m/s

52.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
53.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
54.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
55.
Which of these is not an example of an inclined plane?
a)
ladder
b)
stairs
c)
wall
d)
driveway
56.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
57.
Which type of simple machine would be found on the bottom of a wagon??
a)
a pulley
b)
a screw
c)
a wedge
d)
a wheel and axle
58.

What type of simple machine has a ramp that makes it easier for a heavy object to be moved up or down?

a)

lever

b)

pulley

c)

inclined plane

d)

wedge

59.

This picture shows an example of what type simple machine?

a)

pulley

b)

wedge

c)

lever

d)

wheel and axle

60.

A seesaw is an example of what type of simple machine?

a)

wheel and axle

b)

lever

c)

wedge

d)

pulley

61.

Which one is NOT a simple machine?

a)

pulley

b)

stick

c)

lever

d)

screw

62.

What type of simple machine makes chopping wood easier?

a)

inclined plane

b)

screw

c)

wedge

d)

lever

63.

A bicycle is an example of a _________________.

a)

simple machine

b)

wheel

c)

pulley

d)

compound machine

64.
What type of simple machine is shown here?
a)
Pulley
b)
Wheel and Axle
c)
Lever
d)
Wedge
65.
A door stop is an example of a
a)
Screw
b)
Wedge
c)
Lever
d)
Inclined Plane
66.

The ____________ consists of a rod attached to a wheel, and makes it easier to move or turn things. A door knob is an example of this simple machine.

a)

lever

b)

pulley

c)

wheel and axle

d)

wedge

67.

This simple machine has a stiff bar that moves about a fixed point, called a fulcrum.

a)

screw

b)

wheel and axle

c)

wedge

d)

lever

68.

A ________________ is a combination of two or more

simple machines. Examples include scissors, wheelbarrow,

and a bicycle.

a)

compound machine

b)

quarter machine

c)

simple machine

d)

complex machine

69.

What class lever is a seesaw?

a)

1st

b)

2nd

c)

3rd

70.

What class lever is a pair of scissors?

a)

1st

b)

2nd

c)

3rd

71.

What class lever is a wheelbarrow?

a)

1st

b)

2nd

c)

3rd

72.

What class lever is a nutcracker?

a)

1st

b)

2nd

c)

3rd

73.

What class lever are tongs?

a)

1st

b)

2nd

c)

3rd

74.

What class lever is a pair of tweezers

a)

1st

b)

2nd

c)

3rd

75.

What class lever does this picture show?

a)

1st

b)

2nd

c)

3rd

76.

What class lever does this picture show?

a)

1st

b)

2nd

c)

3rd

77.

What class lever does this picture show?

a)

1st

b)

2nd

c)

3rd

78.

Identify the type of pulley above.

a)

fixed pulley

b)

movable pulley

c)

block and tackle pulley

79.

Which of the following is an example of a pulley?

a)

flag pole

b)

see saw

c)

jump rope

80.

Which of the following are examples of simple machines?

a)

calculator

b)

door knob

c)

flag pole

d)

fireplace

81.

Where on a bicycle might you find a pulley?

a)

the gears

b)

the handlebars

c)

the seat

d)

the tires

82.

A (a)   pulley is a pulley that moves with the load

83.

A (a)   pulley is a pulley attached to something that does not move

84.

Which of these are examples of pulleys?

a)

The rollers Egyptians used to move blocks

b)

What you're attached to on a Zipline

c)

Cranes that lift heavy things

d)

The wheels on a car

e)

What we use to raise flags on a flag pole

85.

What type of pulley is this?

a)

Fixed

b)

Moveable

c)

Block and Tackle

d)

Not a Pulley

86.

What type of pulley is this?

a)

Fixed

b)

Moveable

c)

Block and Tackle

d)

Not a Pulley

87.

What type of pulley is this?

a)

Fixed

b)

Moveable

c)

Block and Tackle

d)

Not a Pulley

88.

What is the mechanical advantage of a fixed pulley?

a)

1

b)

2

c)

Number of ropes

89.

What is the mechanical advantage of a moveable pulley?

a)

1

b)

2

c)

Number of ropes

90.

What is the mechanical advantage of a block and tackle pulley?

a)

1

b)

2

c)

Number of ropes

91.

What is the mechanical advantage of wheel and axle?

a)

wheel radius / axle radius

b)

axle radius / wheel radius

c)

wheel radius x axle radius

d)

wheel radius - axle radius

92.

What is the mechanical advantage of an inclined plane?

a)

length / height

b)

width / length

c)

length / width

d)

length x height

93.

What is the energy conversion when you burn wood for a fire?

a)

electrical to thermal

b)

light to kinetic

c)

chemical to thermal

d)

chemical to electrical

94.
At which point is Potential Energy at its max?
a)
W
b)
X
c)
Y
d)
Z
95.
When a pendulum swings, at which point is the Kinetic Energy at its Max?
a)
1
b)
2
c)
3
d)
4
96.
When a roller coaster stops, the energy is destroyed.
a)
True 
b)
False 
97.

What form of energy is represented by nuclei fusion on the Sun?

a)

Nuclear

b)

Electrical

c)

Chemical

d)

Gravitational

98.
All forms of energy can be described as which two types of energy?
a)
Thermal and Kinetic
b)
Motion and Gravitational 
c)
Kinetic and Potential
d)
Electrical and Chemical
99.
What unit is Energy measured in?
a)
Newtons 
b)
Joules 
c)
Grams 
d)
Volts
100.
The stored energy found in food, muscles, batteries and fuel are examples of which form of energy?
a)
Radiant energy
b)
Chemical energy
c)
Sound energy
d)
Thermal energy
101.
A device that converts Electrical Energy and into Thermal Energy.
a)
A Battery
b)
A Hair Dryer
c)
A Bicycle
d)
Your Stomach
102.
A device that converts Electrical Energy to Radiant energy.
a)
A Blender
b)
A Light Bulb
c)
A Bicycle
d)
A Balloon
103.
Name the Energy conversion from the Sun to a growing apple tree.
a)
Nuclear → Electrical
b)
Gravitational → Thermal
c)
Chemical → Motion
d)
Radiant → Chemical
104.
Name the Energy Conversion of a cracked Glow Stick. 
a)
Radiant → Elastic 
b)
Chemical → Radiant
c)
Nuclear → Motion
d)
Radiant → Thermal
105.

Which of the following conversions is illustrated with a solar powered car?

a)

radiant (light) to electrical

b)

radiant (light) to mechanical

c)

mechanical to radiant (light)

d)

electrical to mechanical

106.

As a soccer ball is kicked high into the air, it

a)

loses kinetic energy and loses potential energy.

b)

loses kinetic energy and gains potential energy.

c)

gains kinetic energy and gains potential energy.

d)

gains kinetic energy and loses potential energy.

107.

Our bodies convert chemical energy into

a)

light energy.

b)

radiant energy.

c)

mechanical energy.

d)

thermal energy.

108.

Which of the following shows the best examples of the energy conversion in a battery powered flashlight?

a)

Chemical >>> Electrical >>> Radiant

b)

Electrical >>> Mechanical >>> Chemical

c)

Mechanical >>> Radiant >>> Electrical

d)

Radiant >>> Electrical >>> Chemical

109.

A wind turbine makes use of which type of energy to generate electricity?

a)

chemical energy

b)

mechanical energy

c)

electric energy

d)

thermal energy

110.

An example of electrical energy transforming to thermal energy is

a)

a fire burning.

b)

using a toaster.

c)

burning coal.

d)

lighting a candle.

111.

Before burning logs in a fireplace, they were a source of

a)

elastic potential energy.

b)

chemical potential energy.

c)

electrical potential energy

d)

gravitational potential energy.

112.

An object with kinetic energy must be

a)

at rest.

b)

stopped

c)

in motion.

d)

at an elevated position.

113.

What energy is given off by the sun?

a)

thermal and mechanical

b)

thermal and radiant

c)

radiant and electrical

d)

electrical and chemical

114.

Which kitchen appliance converts radiant energy into thermal energy?

a)

Dishwasher

b)

Microwave

c)

Coffee Maker

d)

Refrigerator

115.

What is an energy conversion?

a)

when one form of energy stays the same

b)

when you stretch a rubber band and give it potential energy

c)

a change from one form of energy to another

116.

One form of energy can sometimes change into more than one other energy form.

a)

True

b)

False

117.

Name this law: "Energy cannot be created or destroyed, but it can change forms."

a)

Law of Conservation of Matter

b)

Law of Conservation of Energy

c)

Law of Inertia

d)

Law of Gravity

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