4. A body weighing 120 lb rests on an inclined plane, as shown. A force P parallel to and acting up the plane is applied to the body. The coefficient of static friction between the body and the plane is 0.35. Determine the force P that will cause impending motion a) up the inclined plane. b) down the inclined plane. W = 120 lb MINSIT

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Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.