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Quarter 3 Review--Physics

Total questions: 173

Worksheet time: 3hrs 34mins

Name
Class
Date
1.

In each of the following cases, determine where the car has no acceleration?

a)

A car speeds up after a stoplight turns green.

b)

A car slows down as it approaches a red light

c)

A car with the cruise control set at 80 km/h going down a straight highway

d)

A car turning a curve at a constant speed

2.

The SI unit for acceleration is

a)

mph

b)

ft/sec

c)

m/s2

d)

m/s

3.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
4.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
5.

What is the unit for FORCE?

a)

N (Newtons)

b)

lbs (pounds)

c)

g (grams)

d)

m/s (meters per second)

6.
What is the force that pulls us towards the Earth?
a)
gravity
b)
weight
c)
friction
d)
mass
7.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
8.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
9.

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

a)

102.04 n

b)

9,800 n

c)

980 n

d)

103 n

10.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
11.

___ refers to how fast an object is moving.

a)

Speed

b)

Velocity

c)

Acceleration

d)

Motion

12.

Which two factors does speed depend on?

a)

distance and direction

b)

direction and time

c)

distance and time

d)

distance, time and direction

13.

___ refers to the rate at which an object changes position.

a)

Speed

b)

Velocity

c)

Acceleration

d)

Motion

14.

What two factors does velocity depend on?

a)

speed and direction

b)

distance and time

c)

speed and time

d)

distance and direction

15.

Which is an example of speed?

a)

A car driving 55 miles per hour south.

b)

A bicyclist traveling 10 meters per hour toward the next town.

c)

A roller coaster is traveling 10 meters per second.

d)

A rocket blasting off at 2,500 meters per second toward space.

16.

Which is an example of velocity?

a)

A car driving 55 miles per hour south.

b)

A bicyclist traveling 10 meters per hour.

c)

A roller coaster is traveling 10 meters per second.

d)

A rocket blasting off at 2,500 meters per second.

17.

Speed or Velocity?:

A turtle is crawling 34 cm/min.

a)

Speed

b)

Velocity

c)

Neither

d)

Both

18.

Speed or Velocity?:

A train is travelling North 220 km/hr

a)

Speed

b)

Velocity

c)

Neither

d)

Both

19.

Acceleration is a speeding up, slowing down or a change in direction. Is the following acceleration and if so, which one?


A swimmer has 10 meters left in the race and he is neck-in-neck with his competitor. He has a surge of adrenaline and pulls ahead to win.

a)

Yes, this is acceleration since the swimmer starts to speed up to pull ahead.

b)

Yes, this is acceleration since the swimmer uses the wall to change directions.

c)

No, this is not acceleration since there is no speeding up, slowing down, or change in direction.

20.

Acceleration is a speeding up, slowing down or a change in direction. Is the following acceleration and if so, which one?


A dancer is warming up. She turns on music with a good beat and does 10 pirouettes in a row perfectly on the beat. (pirouette is a body spin in ballet)

a)

Yes, this is acceleration since the dancers is going a certain speed.

b)

Yes, this is acceleration since the dancer is changing direction when she spins.

c)

No, this is not acceleration since there is no speeding up, slowing down, or change in direction.

21.

True or False: You are standing at the bus stop and not moving at all. Since you are not moving, your acceleration would be 0 (zero). Support with how you know.

a)

True since you are not speeding up, slowing down or changing directions.

b)

True since you are traveling no distance in a certain amount of time.

c)

False since you are speeding up, slowing down and/or changing directions.

d)

False since you were going to get on a moving bus.

22.

Observe what happens to the motion of the penny. Which of Newton's Laws does this represent?


Observe lo que sucede con el movimiento del centavo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

23.

Watch the first marble as it collides with the second marble . Which of Newton's Laws does this represent?


Observar cómo choca la primera canica con la segunda canica. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

24.

Observe the motion of the washer as the notecard is pulled quickly out from under it. Which of Newton's Laws does this represent?


Observar el movimiento de la moneda mientras saca rápidamente el papel de debajo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

25.

Watch what happens as Blake releases the balloon. Which of Newton's Laws does this represent?


Mira lo que sucede cuando Blake suelta el globo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, interia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

26.

Observe the 2 bottles of paint with a notecard in between. As we attempt to remove the card without disturbing either bottle, which of Newton's Laws does this represent?


Observe las 2 botellas de pintura con una tarjeta de notas en el medio. Mientras intentamos quitar la tarjeta sin molestar ninguna botella, ¿cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

27.

As Blake spins the bucket around, observe the motion of the washers. Which of Newton's Laws does this demonstration represent?


Mientras Blake hace girar el cubo, observe el movimiento de las monedas. ¿Cuál de las leyes de Newton representa esta demostración?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

28.

Watch as Blake pushes the 2 cars of different masses with about the same force. Observe what happens. Which of Newton's Laws does this represent?


Observa cómo Blake empuja los 2 coches de diferentes masas con aproximadamente la misma fuerza. Observa lo que pasa. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

29.

As I balance a meter stick and a ruler on my fingers, which one is easier to balance? Why? Which of Newton's Laws does this represent?


Mientras balanceo un metro y una regla en mis dedos, ¿cuál es más fácil de equilibrar? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

30.

Watch as I propel the washers across the desk. Observe what happens as I use different amounts of force.


Observa cómo empujo las monedas por el escritorio. Observe lo que sucede cuando uso diferentes cantidades de fuerza.

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

31.

Watch as I send the car down the track. What happens as I increase the force that I am using? Which of Newton's Laws does this represent?


Mira como mando el coche por la pista. ¿Qué sucede cuando aumento la fuerza que estoy usando? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

32.

As Blake drops a crumpled paper and a flat sheet of paper at the same time, which one will hit the ground first? Why? Which of Newton's Laws does this represent?


Cuando Blake deja caer un papel arrugado y una hoja de papel plana al mismo tiempo, ¿cuál caerá primero al suelo? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

33.

Watch as Blake begins to run. What happens to the sheets of paper under his feet? Why? Which of Newton's Laws does this represent?


Mira como Blake comienza a correr. ¿Qué pasa con las hojas de papel bajo sus pies? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

34.

Observe the motion of the washer as I quickly pull the card out from under it. What happened to the washer? Why? Which of Newton's Laws does this represent?


Observe el movimiento de la moneda mientras saco rápidamente la tarjeta de debajo. ¿Qué pasó con la moneda? ¿Por qué? ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

35.

Observe as the first ball hits the first ball in the line on the pendulum. What happens to each ball in succession? Which of Newto's Laws does this represent?


Observar cómo la primera bola golpea la primera bola en la línea del péndulo. ¿Qué pasa con cada bola en sucesión? ¿Cuál de las leyes de Newto representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

36.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
37.
What is the name of the units that we measure force in?
a)
Einsteins 
b)
Newtons
c)
Kg
d)
Metres
38.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
39.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
40.
Which one is balanced?
a)
top
b)
bottom
c)
both
41.

What is it?

a)

Pull

b)

Friction

c)

Push

d)

Heavy

42.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
43.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

44.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
45.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

46.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
47.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
48.

Suppose that an astronaut throws a baseball in outer space at a location far from significant influences of gravity and air resistance. One would expect that the baseball would ____.

a)

eventually stop since all objects ultimately "lose their steam"

b)

eventually stop as its inertia slowly becomes used up

c)

continue in motion with the same speed and direction

d)

either a, b, or c -- depending on whether the astronaut continues to push it

49.

All objects have inertia

a)

True

b)

False

50.

Inertia depends on ______

a)

Velocity

b)

Speed

c)

Distance

d)

Mass

51.

A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.

a)

an unbalanced force would be required to keep the sled moving forward at constant speed

b)

the presence of an unbalanced force (e.g., friction) can cause a moving object to stop

c)

the presence of inertia causes it to stop

d)

the natural tendency of any object is to ultimately stop

52.

Mac and Tosh are arguing in the cafeteria. Mac says that if he flings the jello with a greater speed it will have a greater inertia. Tosh argues that inertia does NOT depend upon speed, but rather upon mass. Who is correct?

a)

Mac

b)

Tosh

c)

Neither

d)

Both

53.

More mass = More inertia

a)

True

b)

False

54.

The rate something is traveling in a certain time

(example: miles per hour)

a)

velocity

b)

inertia

c)

speed

55.

The rate something is traveling in a certain direction.

a)

speed

b)

inertia

c)

velocity

56.

The amount of MATTER in an object.

a)

momentum

b)

velocity

c)

mass

57.

Inertia is the tendency of an object to resist a change in its ___________.

a)

temperature

b)

shape

c)

size

d)

motion

58.

the tendency of an object to resist a change in its motion

a)

acceleration

b)

inertia

c)

mass

d)

frame of reference

59.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
60.

A force has both strength and _____.

a)

power

b)

direction

c)

color

d)

balance

61.

When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.

a)

increased

b)

unbalanced

c)

balanced

d)

decreased

62.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
63.

Velocity is speed with __________________________.

a)

a unicycle helmet

b)

direction

c)

fight

64.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
65.
Acceleration only takes place when things speed up. 
a)
True
b)
False
66.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
67.
Acceleration only takes place when things speed up. 
a)
True
b)
False
68.
Acceleration can be classified as _______________
a)
Speeding up
b)
Slowing Down
c)
Changing directions
d)
All of the above
69.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

70.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
71.

A force that opposes motion between any surfaces that are in contact.

a)

gravity

b)

acceleration

c)

friction

d)

direction

72.

Which type of friction is shown in the picture?

a)

rolling

b)

fluid

c)

static

d)

sliding

73.

Which type of friction is shown in the picture?

a)

fluid

b)

static

c)

rolling

d)

sliding

74.

If the following objects were dropped from the same height, which one would hit the floor first?

a)
b)
c)
75.

Which type of friction is shown in the picture?

a)

rolling

b)

static

c)

fluid

d)

sliding

76.

This photo represents...

a)

Air resistance

b)

water resistance

c)

friction force between 2 solid bodies

77.

Dolphins have streamline shape to.............

a)

increase water resistance.

b)

Decrease water resistance.

c)

No answer

78.

Which boy A or B will slide down faster

a)

A

b)

B

c)

A and B

79.

What does the strength of the force depend on? Check the answers that apply.

a)

The types of surfaces

b)

The weather

c)

How hard the surfaces push together

d)

motion

80.

A hard wood floor has more friction than a carpet.

a)

true

b)

false

81.

_____________ friction acts on objects that are not moving.

a)

sliding

b)

rolling

c)

static

d)

fluid

82.

Sliding friction is when two _____________ surfaces slide over one another.

a)

liquid

b)

oil

c)

solid

83.

Rolling friction is when an object ___________ over a surface.

a)

bounces

b)

rolls

c)

slides

84.

Fluid friction happens with objects moving through ______________ or ___________________.

a)

gases or liquids

b)

solids or liquids

c)

gases or solids

85.

Air resistance is a type of fluid friction.

a)

True

b)

False

86.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
87.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
88.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
89.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
90.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
91.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
92.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
93.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
94.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
95.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
96.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
97.
What best describes the mass and weight of a person as they move around the universe?
a)
mass and weight changes
b)
Mass and weight stays constant
c)
weight remains constant, mass changes
d)
Mass stays constant, weight changes
98.
What force causes objects falling near Earth's surface to slow down?
a)
Gravity
b)
Air Resistance
c)
Centripetal Force
d)
Newtons
99.
If a bowling ball and a feather were dropped at the same time, in a room with no air resistance (vacuum), which object will hit the ground first?
a)
Bowling Ball
b)
Feather
c)
Both would hit at the same time
d)
Neither one would hit the ground because air is what pushing things down.
100.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
101.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
102.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
103.
Name the missing force...
a)
normal force
b)
applied force
c)
frictional force
d)
tension force
104.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
105.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
106.

Whenever an object is moving, there is always this force opposing the motion:

a)

inertia

b)

momentum

c)

friction

d)

applied force

107.

If an object is moving to the right, this force is pushing or pulling to the left:

a)

friction

b)

applied

c)

normal

d)

tension

108.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

normal

b)

abnormal

c)

static

d)

inertia

109.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

110.

This object would be moving (pick all that are correct):

a)

up

b)

down

c)

left

d)

right

111.

The down-arrow in this diagram is most-likely:

a)

gravity

b)

normal

c)

a push or pull

d)

friction

112.

Which of the following is true about this free-body diagram?

a)

the forces are are balanced

b)

the object is free-falling

c)

the object is moving upward

d)

the forces are unbalanced

113.

What forces are on a leopard laying on a log?

a)

Fg & Fapp

b)

Fb & Fg

c)

Fg & FN

d)

Ff & FN

114.
Which one is balanced?
a)
top
b)
bottom
c)
both
115.
Is it BALANCED? 
a)
Yes
b)
No
116.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
117.
At what position does the pendulum have the greatest gravitational potential energy?
a)
Position D
b)
Position C
c)
Position B
118.
At what position does the pendulum have the greatest kinetic energy?
a)
Position D
b)
Position C
c)
Position B
119.
Which character has the greatest gravitational potential energy?
a)
Character A
b)
Character B
c)
Character C
d)
Character D
120.
Which skier has the greatest kinetic energy?
a)
Skier A
b)
Skier B
c)
Skier C
d)
Skier D
121.

The blades of a toy helicopter spin when its circuit is connected to a battery. Which sequence below correctly identifies the energy changes taking place in the helicopter?

a)

chemical to electrical to potential

b)

chemical to electrical to mechanical

122.

Which of the following gadgets best shows the transformation of energy from electrical to mechanical with the correct reasoning?

a)

A light bulb because electricity is being used to create light and heat.

b)

A fan because electricity is being used to spin the blades of the fan.

123.

1. A student investigated the energy transformations that occur when a call is placed from cell phone A and received by cell phone B. The student drew a diagram to show the process. Based on the diagram, what evidence is there for the transformation of chemical energy into electrical energy, and which other energy transformations must occur for the call to be received by cell phone B?

a)

Evidence:

Cell phones are powered by a battery that produces the electricity used to send or receive a call.

Transformation 1: Sound energy is transformed into

electrical energy by cell phone A.

Transformation 2: Electrical energy is transformed into mechanical energy in the cell towers and base station

b)

Evidence:

Cell phones are powered by a battery that produces the electricity used to send or receive a call.

Transformation 1: Sound energy is transformed into

electromagnetic waves by cell phone A.

Transformation 2: Electromagnetic waves are transformed back into sound energy by cell phone B.

c)

Evidence:

Base stations are powered by a battery that produces the electricity used to receive and forward a call.

Transformation 1: Sound energy is transformed into electrical energy by cell phone A.

Transformation 2: Electrical energy is transformed into mechanical energy in the cell towers and base station

d)

Evidence:

Base stations are powered by a battery that produces the electricity used to receive and forward a call.

Transformation 1: Sound energy is transformed into electromagnetic waves by cell phone A.

Transformation 2: Electromagnetic waves are transformed back into sound energy by cell phone B

124.

Choose the image below that shows potential energy decreasing then increasing if following the arrows from left to right?

a)
b)
125.

1. Using the image identify the three forms of heat transfer.

Conduction (CD), Convection (CV) Radiation (R).

a)

A: CD - B: CV - C: R

b)

A: R - B: CD - C: CV

c)

A: CV - B: CD - C: R

d)

A: R - B: CV - C: CD

126.

Choose the statement below that best describes the transfer of energy from the Sun to the Earth.

a)

The sun is the ultimate source of energy because it uses nuclear fusion to create heat. The thermal energy it creates radiates through the vacuum of space and heats the Earth.

b)

The Sun is an extremely large source of thermal energy. Because of its size, the Sun can conduct its heat through space, heating the Earth.

127.

1. A student is investigating the motion of a pendulum. The student holds the Bob in Point A and then releases it. Which statement is correct about the energy of the Bob?

a)

The KE of the Bob is greatest at Point A.

b)

KE changes to PE as the Bob moves from D to E.

c)

The PE of the Bob is greatest at Point C.

d)

PE changes to KE as the Bob moves from C to D.

128.

Where would an object have the most potential energy?

a)

The bottom of a hill

b)

The top of the hill

c)

On the way down the hill

d)

It never has potential energy

129.

If you have a battery in a device, what is the first energy transformation that must happen?

a)

Chemical to light

b)

Chemical to electrical

c)

Electrical to chemical

d)

Electrical to light

130.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

131.

What kind of energy is stored energy?

a)

Potential

b)

Kinetic

c)

None of the above

d)

All of the above

132.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

c)

none of the above

d)

same

133.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
134.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
135.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
136.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
137.
What kind of energy is in a person climbing a ladder?
a)
Potential
b)
Kinetic
c)
Both
138.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
139.
Click to look at the picture. 
The picture is an example of _____ .
a)
gravity
b)
potential energy
c)
kinetic energy
d)
friction
140.
Click to look at the picture.
The picture is demonstrating an example of ______ . 
a)
gravity
b)
speed
c)
kinetic energy
d)
potential energy
141.
2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?
a)
1
b)
2
c)
3
d)
4
142.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
143.

A boy standing on top of a slide

a)

Potential Energy

b)

Kinetic Energy

144.

A slinky moving down a set of stairs

a)

Potential Energy

b)

Kinetic Energy

145.

Holding a marble at the top of a ramp

a)

Potential

b)

Kinetic

146.
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 
147.
The amount by which a machine multiplies input force is known as the 
a)
work.
b)
power.
c)
output force.
d)
mechanical advantage.
148.

When you rub your hands together on a cold day, you use friction to convert

a)

Mechanical energy into thermal energy

b)

Thermal energy into nuclear energy

c)

Chemical energy into mechanical energy.

d)

Electrical energy into thermal energy

149.

Which energy-conversion chain occurs whenever coal is burned to create steam to spin the generator at a power station?

a)

chemical to mechanical to potential

b)

thermal to chemical to mechanical to electrical

c)

chemical to thermal to mechanical to electrical

d)

chemical to chemical to mechanical to radiant

150.
Light is an example of _________
a)
thermal energy
b)
radiant energy
c)
mechanical energy
d)
nuclear energy
151.

Which of the following is defined as work done per unit time?

a)

A. energy

b)

B. force

c)

C. power

d)

D. work

152.

What are two things required for work to be done? Check all that apply.

a)

Force

b)

Distance

c)

Constant Speed

d)

Friction

153.

A student with a mass of 62 kg walks up a flight of stairs with a height of 3.4 meters. How can he decrease his power?

a)

walk slower

b)

walk faster

c)

carry his friends books

154.

Check all of the things that can affect power

a)

Work

b)

Time

c)

Force

d)

Distance

155.

A roller coaster whose average speed is 32 m/s is at the top of a 72m hill and weighs 966N. At the top of the hill the coaster car has ___________________ energy.

a)

almost all kinetic energy

b)

almost all potential energy

c)

mostly kinetic energy

d)

some kinetic and some potential energy

156.

This is energy that is stored for later use.

a)

kinetic energy

b)

potential energy

c)

mechanical energy

d)

radiant energy

157.

The is the energy due to the splitting of atoms.

a)

nuclear

b)

chemical

c)

mechanical

d)

radiant

158.
Energy that is stored is called...
a)
Kinetic
b)
Potential 
159.

Which statement illustrates work done?

a)

A weightlifter holds a barbell above her head.

b)

A teacher applies a continuous force to a book, holding it flat.

c)

A student flicks a paper football and moves it over the edge of a table.

d)

A waiter carries a tray full of meals while listening to a customer.

160.

If the object does not move then what is happening

a)

nothing

b)

work

c)

power

d)

no work is being done on the object

161.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
162.
Name the missing force...
a)
buoyant force
b)
normal force
c)
weight force
d)
frictional force
163.
Name the missing force...
a)
spring force
b)
weight force
c)
normal force
d)
buoyant force
164.
Name the missing force...
a)
applied force
b)
weight force
c)
lift
d)
normal force
165.
Name the missing force...
a)
tension force
b)
frictional force
c)
normal force
d)
spring force
166.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
167.
Name the missing force...
a)
thrust
b)
frictional force
c)
normal force
d)
weight force
168.
Name the missing force...
a)
weight force
b)
normal force
c)
buoyant force
d)
applied force
169.
Name the missing force...
a)
normal force
b)
applied force
c)
frictional force
d)
tension force
170.
Name the missing force...
a)
applied force
b)
weight force
c)
tension force
d)
drag
171.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
172.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
173.
Name the missing force...
a)
lift
b)
frictional force
c)
normal force
d)
buoyant force

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