Question

show that power =force x velocity

Answer 1

Since power is measure of how energy changes over time, we can write

P=E/t

We know that work (W) = energy by the work-energy theorem. So we can write

P=W/t

Since W=F•D (force x displacement), we have

P=F•D/t

"Displacement/time" is another way of saying "velocity", and so we are led to the result:

P=F•v


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Answer 2

hey, here is ur answer...

we know that, velocity = distance/time...

and, we also know that, power = workdone/time..

power = force.distance/time.....

so, power = force.velocity......

plzz mark it as brainliest....