Question

A 50-kilogram box is pushed up a 10.0-meter long ramp. The high end of the ramp...

A 50-kilogram box is pushed up a 10.0-meter long ramp. The high end of the ramp is elevated 6.0 meters above the low end (the ramp forms a 3-4-5 triangle). While moving the 10 meters up the ramp the box accelerates from 0.0 meters per second to 2.0 meters per second.

a. How much work against inertia was performed;

b. How much work against gravity was performed; and

c. If the coefficient of kinetic friction (μK) was 0.25, how much work against friction was performed?

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