1. The figure shows three forces applied to a trunk that moves leftward by 2.54m over a frictionless floor. The force magnitudes are F; = 5.08 N, F2= 8.87 N, and F3= 3.39 N, and the indicated angle is e = 60°. %3D a) During the displacement, what is the net work done on the trunk by the three applied forces, the gravitational force, and the nomal force? 14
1. The figure shows three forces applied to a trunk that moves leftward by 2.54m over a frictionless floor. The force magnitudes are F; = 5.08 N, F2= 8.87 N, and F3= 3.39 N, and the indicated angle is e = 60°. %3D a) During the displacement, what is the net work done on the trunk by the three applied forces, the gravitational force, and the nomal force? 14
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Transcribed Image Text:b) Is there a net transfer of energy to or from the trunk?
c) Does the kinetic energy of the trunk increase or decrease?
Transcribed Image Text:1. The figure shows three forces applied to a trunk that moves leftward by 2.54m over a
frictionless floor. The force magnitudes are F; = 5.08 N, F2= 8.87 N, and Fa3= 3.39 N, and
the indicated angle is 0 = 60°.
a) During the displacement, what is the net work done on the trunk by the three
applied forces, the gravitational force, and the normal force?
15
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