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Posted by on Tuesday, March 15, 2011 at 5:49pm.

A 55-kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 44.7 degrees above the horizontal.

If the tension in the rope is 155 N, how much work is done on the crate to move it 9.0 m?
*looking for W=__J

  • physics - , Tuesday, March 15, 2011 at 5:55pm

    work= 155*9*cos44.7

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