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Kinetic & Potential Energy

Total questions: 35

Worksheet time: 39mins

Name
Class
Date
1.

A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)

a)

294 J

b)

180000 J

c)

1225 J

d)

3920000 J

2.

A 50kg (100lb) person is running at 7m/s (about 16 mph). How much kinetic energy do they have?

a)

1225 J

b)

180000 J

c)

294 J

d)

3920000 J

3.

What is the unit for mass?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

4.

What is the unit for force?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

5.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
6.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
7.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
8.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
9.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
10.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
11.
What kind of energy is in a person climbing a ladder?
a)
Potential
b)
Kinetic
c)
Both
12.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
13.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
14.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
15.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
16.
Which point has the most potential energy?
a)
G
b)
f
c)
b
d)
a
17.
Food has _________ energy. 
a)
Potential 
b)
Kinetic 
c)
None of the above 
d)
All of the above 
18.
Where would a person have to be located to have the minimum gravitational potential energy?
a)
up on the roof
b)
down in the basement
c)
in the middle
d)
outside
19.
A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?
a)
3.2 J
b)
4.2 J
c)
2.0 J
d)
12.8 J
20.
A 2600 kilogram car is moving at a speed of 25 m/s. How much kinetic energy does the car have?
a)
427,500 J
b)
237,500 J
c)

812,500 J

d)
537,500 J
21.
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
22.
A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?
a)
43982.4 J
b)
63982.3 J
c)
43962.4 J
d)
83942.4 J
23.
A pitcher throws a 0.145 kg baseball at a velocity of 30.0m/s. How much kinetic energy does the ball have?
a)
65.35 J
b)
87.25 J
c)
23.45 J
d)
65.25 J
24.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
A child on his way down a playground slide.
a)
PE
b)
KE
25.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
Exploding fireworks.
a)
PE
b)
KE
26.
Is this activity as an example of potential or kinetic energy Choose “PE” or “KE”:
A stunt driver at the top of a ramp.
a)
PE
b)
KE
27.

How can we increase the gravitational potential energy of the car?

a)

Strap a boulder to the car so that it weighs more.

b)

Keep the length of the hill at 50 m but only 5 m tall.

c)

Take the interior out of the car so that the car has less mass.

d)

Keep the hill at 10 m tall but increase the length of the hill so that the car has farther to roll.

28.

What is Engery

a)

How much work

b)

The ability to do work

c)

Mussel energy to work

29.

An explosion

a)

Potential

b)

Kinetic

30.

A girl kicking a ball

a)

Potential

b)

Kinetic

31.

A compressed spring

a)

Potential

b)

Kinetic

32.

A car racing around a track

a)

Potential

b)

Kinetic

33.

Carbohydrates in a Burger

a)

Potential

b)

Kinetic

34.

An electric circuit

a)

Potential

b)

Kinetic

35.

A packet of batteries

a)

Potential

b)

Kinetic