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March 24, 2017

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Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force acting on the box is 3.00 N. How much total work is done on the box in moving it 3.10 m along the floor?

  • physics - ,

    67*3.10 is the work done. Of that, 3*3.10 was done on the floor, the remainder was done on the box.

  • physics - ,

    67-3 = 64 x 3.10 = 198

  • physics - ,

    6. If you applied a force of 200N to push a box along the floor at a constant velocity, what is the net force on the box? What is the force of friction on the box?

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