Physics calculate Work?

Posted on 2014-11-14 10:06:00 in Physics by MAK

As a statue of mass 150 kg slides down a ramp inclined at 40°, the curator pushes up, parallel to the ramp's surface, so that the statue does not accelerate. If the statue slides 3m down the ramp, and the coefficient of kinetic friction between the crate and the ramp is 0.54, calculate the work done on the crate by each of the following: a)gravity, b) the curator, c)friction, d) the normal force between the ramp and the crate.

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