26. A 40-kg box slides down an incline that is angled 30° above the horizontal. The box starts from rest at a height of 8 m, and the coefficient of kinetic friction is 0.2. What is the total work done on the box as it slides to the bottom of the incline? (A) 1109 J (B) 2091 J (C) 3200 J (D) 4309 J
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Work is defined as the product of force and displacement. In this case, the force is the component of the weight of the object parallel to the incline, and the displacement is the distance the object moves along the incline. Show more…
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