Question

A block rests on a horizontal table which is executing SHM
in the horizontal plane with an amplitude 'a'. If the coefficient
of friction is 'μ', then the block just starts to slip when the
frequency of oscillation is
(a) 1/2π √μg/a
(b)√μg/a
(c) 2π √a/μg
(d) √a/μg

Answer 1

(a) 1/2π √μg/a

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