Question

A rock is on an inclined surface. The rock is originally at rest, but starts to slide down the Incline. The magnitude of the force on the surface due to the rock is FSR, and the magnitude of the force on the rock due to the surface is FRS. If we compare these forces, we find O FSR < Frs always O FSR = Frs when the rock is at else For > FRS O FSR = Frs always O FSR > Frs always​

Answer 1

Answer:

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FSR = FRS when the rock is at rest but then FSR > FRS.

Consider the rock is on an inclined surface having an angle θ with ground. The magnitude of the force on the surface due to the rock is FSR, and the magnitude of the force on the rock due to the surface is FRS, which is shown in below figure.

Hope it helps ..