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A crate of mass m1 = 12.4 kg is pulled by a massless rope up a 36.9° ramp. The rope passes over an ideal pulley and is attached to a hanging crate of mass m2 = 16.3 kg. The crates move 1.70 m, starting from rest. If the frictional force on the sliding crate has magnitude 21.7 N and the tension in the rope is 121.5 N, find the total work done on the sliding crate.

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The total work done on the sliding crate is    J.

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Answer #1

Total work done = Twt Fw t Ww l. Tension t Friction Loweight work done = Force x displacement work done = 126.5X1.7 - 21.7x1.

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