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Power, Force and Velocity

The power of ...

Question

The power of a motor is 40 kW.At what speed can the motor raise a load of 20,000 N?

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Solution

Power = 40kW
Force = 20,000N

Power = force × velocity

$V e l o c i t y equals fraction numerator P o w e r over denominator F o r c e end fraction space space space space space space space space space space space space space space space equals 40000 over 20000 space space space space space space space space equals 2 m divided by s$

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Power, Force and Velocity

Standard XII Physics

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