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Work, Energy & Power – Review Sheet
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What is work? What is the S.I. unit for work? What
formula is used to calculate work?
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What is energy? What is the S.I. unit for energy?
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What is the difference between kinetic and potential
energy?
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What is power? What is the S.I. unit of power? What
formula is used to calculate power?
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Imagine an object falling from a high
cliff. Draw a diagram of this object and label the object’s maximum
and minimum potential and kinetic energy on the diagram.
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What is required in order for work to be done on an
object?
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A worker pushes a crate with a force of
300N and the crate is moved 5.0m. How much work is done?
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While rearranging a dorm room, a student does 300-J of
work in moving a desk 2.0-m. How much force did the student use?
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A car does 20J of work in 2 seconds, how much power
does the car have?
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