before answering 7. Wnet = -1658.16 J 0 01 (part1of3) 10.0points 0 05 (part2of2 ) 10. 0points Starting from rest , a 6.6 kg block slides 2.79 m Suppose that the force on the block F, is in- down a rough 35.6 incline . The coefficient creased so that the block accelerates (starting of kinetic friction between the block and the from rest ) at a = 1.8 m/s. incline is 0.455. Now what is the net work done by all the The acceleration of gravity is 9.8 m /s2 . forces acting on the block as it moves a dis- Find the work done by the force of gravity. tance of 12 m? Answer in units of J. 1. Wnet = 648 J 002 (part2of3) 10.0points 2. Wnet = 1686.77 J