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## Homework Statement

In the connected crate system the coefficients of dynamic friction between the 40 kg crate and the slope is [tex]\mu[/tex]

_{d}=0.2. There is no friction in the pulley and it can be shown that sliding occurs. Determine the acceleration of the crates

## Homework Equations

F = MA

F

_{f}= [tex]\mu[/tex]

_{d}* N

_{f}

## The Attempt at a Solution

I found the friction force of the 40kg crate to be 78.4N, so this is the force required to set the crate in motion.

My attempts from here were to incorporate 'Tension' using the frictional force as applied force and for the 30 kg just simply the weight. From here my efforts have reached a dead end.