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The figure shows three forces applied to a trunk that moves leftward by 3.45 m over...

The figure shows three forces applied to a trunk that moves leftward by 3.45 m over a frictionless floor. The force magnitudes are F1 = 4.99 N, F2 = 9.12 N, and F3 = 2.59 N, and the indicated angle is θ = 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? (b) Is there a net transfer of energy to or from the trunk? (c) Does the kinetic energy of the trunk increase or decrease?

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The force& acts towards left, F2 acts at angle 60 and force F3 downwards (a) The work done by three forces is, Since the tru

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