Physics, asked by pranjal3828, 1 year ago

solve this question...

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Answered by prnvraosrs

Work Done = Force X Displacement X cos°

As cos = 90°, (direction of porter is straight and so is the movement, but the force acting by the luggage on the porter is perpendicular to that of displacement)

But cos90°=0

Therefore, W=FxSx0

W=0..

Hope you like the answer...

pranjal3828: but the answer is 225J (by mgh

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