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## A block with mass m is pulled horizontally with a force F_pull leading to an acceleration a along a rough, flat surface. Find the coe

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## Answers ( )

Answer:Explanation:The force of kinetic friction on the block is defined as:

Where is the coefficient of kinetic friction between the block and the surface and N is the normal force, which is always perpendicular to the surface that the object contacts. So, according to the free body diagram of the block, we have:

Replacing this in the first equation and solving for :