A worker pulls a box of mass 65 kilogram on the floor at an
A worker pulls a box of mass 65 kilogram on the floor at an angle 20 degree above the horizontal. The coefficient of static friction between the floor and the box is 0.35. Find the force needed to maintain the box moving with a constant speed?
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a worker pulls a box of mass 65 kilogram on the floor at an angle 20 degree above the horizontal the coefficient of
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