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WorksheetsEnergy, Work, and Power
Total questions: 13
Worksheet time: 7mins
The ability to do work or cause change:
work
energy
momentum
power
Energy in the form of motion.
mechanical energy
potential energy
kinetic energy
momentum
Stored energy in the form of position or condition.
potential energy
kinetic energy
momentum
mechanical energy
What is needed to calculate work?
force
distance
time
mass
A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do?
12 J
8 J
20 J
5 J
A soccer player kicks a ball with 20 Newtons of force causing it to travel 100 meters. How much work is done on the ball?
200 J
80 J
5 J
2000 J
A worker climbs a ladder and does 8 J of work on a 2 N object. What is the distance they lift the object?
18 m
4 m
10 m
6 m
What is mechanical energy?
total kinetic energy
the energy of motion
total kinetic and potential energy
temperature plus heat
Which of these items is not part of the law of conservation of energy?
energy cannot be created
energy cannot be destroyed
energy can be transferred between forms
energy is destroyed by friction
Where is the kinetic energy of pendulum at its highest?
at the top of the swing
at the bottom of the swing
at 1/4 of the swing
at 3/4 of the swing
At which point of this roller coaster is the energy 1/2 kinetic and 1/2 potential?
A
B
C
D
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
