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March 30, 2017

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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 - ,

    constant speed, no friction?

    the force of gravity downwards is 700Nsin15*cos25

    Because there is no friction, then P must equal that value.

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