WorksheetsChapter 12: Work and Energy (PS)
Total questions: 50
Worksheet time: 50mins
What is needed calculate power?
work
time
mass
distance
Two workers use 100 N of force to move a sofa 2 meters in 2 seconds. How much power is required?
100 watts
400 watts
104 watts
50 watts
Kinetic and potential energy are the two types of energy that relate to:
Change
Friction
Density
Motion
Which of these has the most potential energy?
What is potential energy?
The stored energy of an object due to its position or condition.
The energy that an object has due to its motion.
The energy an object has due to its speed.
The energy an object has due to its volume.
What is kinetic energy?
The stored energy of an object due to its position or condition.
The energy that an object has due to its motion.
The energy an object has due to its speed.
The energy an object has due to its volume.
Which of the following has the most kinetic energy?
A car traveling at 80 mph
A tractor-trailer traveling at 80 mph
A cheetah running at 80 mph
a motorcycle traveling at 80 mph
When does an object have no kinetic energy?
When it is at rest
When it is moving very slowly
When the only force acting on it is gravity
When it has no electrical charge
When is potential energy transformed into kinetic energy?
When an object at rest is lifted to a higher elevation.
When an object at rest remains at rest.
When an object at rest is put into motion.
When an object in motion is stopped and put at rest.
An object that is at rest on top of a bookshelf has
chemical energy
chemical energy
potential energy
kinetic energy
elastic energy
If you are rolling down a big hill you are (a) the kinetic energy.
If you are rolling down a big hill you are (a) the potential energy.
Which letter shows the ball when it has THE MOST potential energy?
A
B
C
F
G
Which letter shows the ball when it has NO potential energy?
B
C
D
E
F
Which letter shows the ball when it has THE MOST kinetic energy?
B
C
D
E
F
Which letter shows the ball when it has THE LEAST kinetic energy?
A
B
C
F
G
Which letter shows the ball when it is moving the fastest?
B
C
D
E
F
