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14 Cards in this Set
- Front
- Back
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definition of work
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applying a force across a distance
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what is work measured in
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joules
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what are the two requirements for work
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1. applied force makes the object move
2. distance change |
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how do you calculate work
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work (joules) =applied force (newtons) × distance (meters)
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abbrivate work
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w=fd
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what is the unit of force
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newtons
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what is the unit of distance
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meters
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define power
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the rate at which work is done
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how do you calculate power
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power (watts) = work (joules) ÷ time (seconds)
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what is the unit for power
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watts
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what is the unit for time
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seconds
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abbrivate power
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P=w÷t
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ehat is an example of work
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pushing a car
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what is an example of power
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lifiting a baby from a crib
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