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Unit 5 Power.

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Presentation on theme: "Unit 5 Power."— Presentation transcript:

1 Unit 5 Power

2 Power The rate at which work is done The rate of energy transfer
Three variations of the equation: W Fd P = P = P = Fv ∆t ∆t

3 Power SI unit for power is the watt (W) Horsepower (hp) is also used
1 hp = 746 w Machines with different power ratings will do the same amount of work in different time intervals

4 A 750 N diver does a triple somersault off the 100 meter platform
A 750 N diver does a triple somersault off the 100 meter platform. If it takes 1.5 seconds to hit the water, what is the divers power?

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