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A 16.8 kg block is dragged over a rough, horizontal surface by a constant force of 123 N acting at an angle of angle 34.9 above the horizontal. The block is displaced 17.4 m and the coefficient of kinetic friction is 0.205. Find the work done by the 123 N force. The acceleration of gravity is 9.8 m/s2 . Answer in units of J =1755.29

Find the magnitude of the work done by the force of friction. Answer in units of J=336.846

Find the work done by the normal force. Answer in units of J

What is the net work done on the block? Answer in units of J

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