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January 25, 2015

Homework Help: physics

Posted by Mota on Friday, January 29, 2010 at 6:17am.

A force of 100N pulls a box of weight 200N along a smooth horizontal surface makes 45(degree) to the floor .

Calculate the work done by the force.

A- in moving the box a distance of 25m along the horizontal.
B- against gravity.
C- against normal force.

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