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Mathematics, 14.05.2021 14:40 k211

A particle of mass 2 kg rest on a rough plane incline at an angle to the horizontal. The particle is subjected to a force of FN  of the plane along greatest slope when  f=5 the particle is about to slide down the plane when f=19 the particle is about to slide up  the plane calculate the value of thetha and the coefficient of friction between the particle and the plane.​

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