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A skier of weight 700N is pulled at constant speed up a smooth slope, of inclination 15 degrees, by a force of magnitude P N acting at 25 degrees upwards from the slope. Find the value of P.

  • Physics -

    Since there is no acceleration or friction, the component of P along the direction of motion equals the component of the weight in the oppostie direction.

    P cos25 = W sin15

    Solve for P

    W is the skier's weight in newtons

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