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Posted by on Sunday, May 27, 2012 at 11:05pm.

A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.195, and the mass of the sled, including the load, is 202.4 kg. If the horse moves the sled at a constant speed of 1.857 m/s, what is the power needed to accomplish this?

  • Physics - , Monday, May 28, 2012 at 1:53am

    Power required = Velocity x (friction force)
    = V*M*g*mu
    = 1.857*202.4*9.8*0.195 = 718 Watts

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