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Posted by on Monday, October 17, 2011 at 12:45pm.

A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

  • Physics - , Monday, October 17, 2011 at 1:32pm

    (horizontal force component) x (speed)
    = (102 cos 37)*6.4 Watts

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