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Average and Instaneous Power

How to interp...

Question

How to interpret work done by a force in a given power vv

s time graph?

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Solution

Work done = Power * Time

Work done can be obtained by calculating the area under the graph in power vs time graph.

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Similar questions

Q. Power versus time graph for a force is given below. Work done by the force upto time

t (\leq t_{0})

(P)

(t)

graph for a force acting on a body is given below. Then, the work done by the force upto time

t \leq t_{0}

Q. Power versus time graph for a force is given below. Work done by the force upto time

t (\leq t_{0})

(P)

(t)

graph for a force acting on a body is given below. Then, the work done by the force upto time

t \leq t_{0}

Q. Assertion :Displacement (

S

t

) graph of a particle moving in a straight line is shown in figure. Work done by all the forces is equal to change in kinetic energy. Reason: Work done by all the forces between time interval

t_{1}

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is definitely zero.

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