work and power
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equation for work done
work done = force x distance moved
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work done =
energy transferred
3
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equation for gravitational potential energy
gravitational potential energy =
mass x gravitational field strength x height
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equation for kinetic energy
kinetic energy = ½ x mass x speed2
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equation for power
power = work done/time taken
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definition of power
the rate of energy transfer/the rate of doing work
7
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definition of work done
work done on an object is the energy you put in (lift, stretch or speed up an object)
the energy gained can be in the form of:
GPE
kinetic energy
work
elastic potential energy
etc.
Note 
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