A coin is placed on a horizontal platform, which undergoes horizontal SHM about a mean position O. If the coin placed on platform does not slip, coefficient of friction between the coin and the platfo

Question

A coin is placed on a horizontal platform, which undergoes horizontal SHM about a mean position O. If the coin placed on platform does not slip, coefficient of friction between the coin and the platform is μ . The amplitude of oscillation is gradually increased. The coin will begin to slip on the platform for the first time

TestHub · Accepted Answer

Let O be the mean position and x be the distance of coin from O . The coin will slip if centrifugal force on coin just becomes equal to force of friction i e , m x ω 2 = μ m g The coin will slip if x = maximum = amplitude A

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