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# READ THE FULL SIMPLIFICATION AND TELL THE RIGHT SOLUTION.

I want to prove that F* v=1/2* F*v

A moving on a horizontal surface with height =0 and u=0

therefore P.E is 0 ..

Let the velocity be v and force be f and displacement be s and time taken =t

as we know that K.E =f*s when P.E is zero

f*s=K.E

f*s =1/2 m v^2

Power = work done /time

(f*s)/t=(1/2 m v^2)/t

f*s/t=(1/2 m v * v) /t

as s/t =v and v/t(when u is 0) =a

f* v = 1/2 m * a * v

m * a = f

f * v =1/2 f * v

IF i've done something wrong then tell me.

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Note by Gaurav Purswani
2 years, 9 months ago

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