Solved: Figure 7-27 shows three forces applied to a trunk
Chapter , Problem 15(choose chapter or problem)
Figure 7-27 shows three forces applied to a trunk that moves leftward by 3.00 m over a frictionless fioor. The force magnitudes are F1 = 5.00 N, F2 = 9.00 N, and F3 = 3.00 N, and the indicated angle is 0 = 60.0. During the displacement, (a) what is the net work done on the trunk by the three forces and (b) does the kinetic energy of the trunk increase or decrease?
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