A horizontal board is oscillating with an amplitude of 3 m. If the frequency of oscillation is 15 per minute, find the minimum value of coefficient of friction in order that a body placed on the board will A not slide when the board oscillates ?

A horizontal board is oscillating with an amplitude of 3 m. If the fre

1.	A horizontal board is oscillating with an amplitude of 3 m. If the frequency of oscillation is 15 per minute, find the minimum value of coefficient of friction in order that a body placed on the board will A not slide when the board oscillates ?
Answer» SOLUTION :`momega^2a=mumg,mu=omega^a//g=(2pi15//60)^2xx3//9.8=0.775`