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WorksheetsEnergy Exam
Total questions: 35
Worksheet time: 38mins
Work is:
A transfer of energy by a force to move an object a certain distance
Something you get paid for
Something you take home
Makes you sweat
What type(s) of energy does a fridge contain?
Sound Energy
Thermal Energy
Mechanical Energy
All of the above
Which option is the correct unit of measurement for energy?
Joule (J)
Kilogram (kg)
Newton (N)
Jewel (je)
A book on a 2-meter high shelf has 20 joules of potential energy. What is the mass of the book?
4.08 kg
.1 J
392 J
.1 kg
Potential energy depends on the ________ and ________ of the object.
Height and weight
Friction and weight
Mass and Movement
Height and speed
What type of energy is being used?
electromagnetic
mechanical
thermal
sound
Which of the following is NOT one of the six simple machines?
Lever
Pulley
Hinge
Screw
The ability to do work or cause change:
work
energy
momentum
power
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
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
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
Which requires more work – a person walking up stairs or a person running up stairs?
walking
running
they require equal work
no work is required for either because the movement is vertical
Which requires more power – a person walking up stairs or a person running up stairs?
walking
running
they require equal power output
no power is required at all
