Suppose a large and small mass are placed at rest on the same incline (same angl

Question

Suppose a large and small mass are placed at rest on the same incline (same angle) with friction. Both masses are made out of the same material and have similar surfaces such that the coefficient of static and kinetic friction between each mass and the incline is identitcal. If they are placed at an angle which is great enough to overcome static friction, what is true about the magnitude of the acceleration of the masses down the incline? A)The more massive mass will have a greater acceleration since it will create a greater normal force and therefore greater amount of friction. B)The more massive mass will have a greater acceleration since it will create a greater normal force and therefore a smaller amount of friction. C)The more massive mass will have a lower acceleration since it will create a greater normal force and therefore greater amount of friction. D)They are the same.

Explanation / Answer

B)The more massive mass will have a greater acceleration since it will create a greater normal force and therefore a smaller amount of friction.

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