rope used to pull a metal box 21.0 m across the floor. The rope is held at an angle of 46.0° with the floor and a force of 656 N is used.?
How much in joules work does the force on the rope do?
- billrussell42Lv 71 year ago
force parallel to motion is 656cos46
work is Fd = 21•656cos46
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