A semicircular slot of 10-in. radius is cut in a flat plate which rotates about the vertical AD at a constant rate of 14 rad/s. A small, 0.

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A semicircular slot of 10-in. radius is cut in a flat plate which rotates about the vertical ADat a constant rate of 14 rad/s. A small, 0.8-lb block E is designed to slide in the slot as the plate rotates. The coefficients of friction are μs = 0.35 and μk = 0.25.

Determine the magnitude of the friction force exerted on the block corresponding to θ = 40o. (Round the final answer to three decimal places.)

The magnitude of the friction force exerted on the block is ？？？ lb.

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