A 350 kg sofa slides 2.5 m down a 30° incline and who is pushing back on it parallel to the incline (a) the force exerted by the woman on the sof (b) the work done by the woman on the sofa, (c) the work done by the friction force, (d) the work done by gravity, and
A 350 kg sofa slides 2.5 m down a 30° incline and who is pushing back on it parallel to the incline (a) the force exerted by the woman on the sof (b) the work done by the woman on the sofa, (c) the work done by the friction force, (d) the work done by gravity, and
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 4P: a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the...
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