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    Tension, work done and increase in internal energy

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    A sledge loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope. The rope is inclined at 20.0° above the horizontal, and the sledge moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.550.
    (a) What is the tension in the rope?
    N
    (b) How much work is done on the sledge by the rope?
    J
    (c) What is the increase in internal energy in the sledge and the surface due to friction?
    J

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    Solution Preview

    A sledge loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope. The rope is inclined at 20.0° above the horizontal, and the sledge moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.550.
    (a) What is the tension in the rope?
    N
    (b) How much work is done on the sledge by the rope?
    J
    (c) ...

    Solution Summary

    The solution calculates Tension in the rope, the work done and the increase in internal energy for a sledge.

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