Question: A 250kg load is pulled at 0.4m/s up a track inclined at 30 to the horizontal by a force P inclined at 20 to and

A 250kg load is pulled at 0.4m/s up a track inclined at 30˚ to the horizontal by a force P inclined at 20˚ to and above the track. Calculate the value of P and the power required if the coefficient of friction is 0.12 P.

P 30 20

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