Physics Dynamics

A 4-kg block is connected by means of a massless rope to a 2-kg block. What is the magnitude of the acceleration if the coefficient of kinetic friction between
the 4-kg block and the surface is 0.20? Note : The 4kg block is on the table, the pulley is on the edge and the 2kg block is hanging separately vertically near the table.

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  1. pulling force=2g
    friction=4g*.2

    net force= totalmass*a

    2g-4g*.2=(6)a solve for a.

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    bobpursley

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