A recording tape passes over the 1-in.-radius drive drum B and under the idler drum C. Knowing
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A recording tape passes over the 1-in.-radius drive drum B and under the idler drum C. Knowing that the coefficients of friction between the tape and the drums are μs = 0.40 and μk = 0.30 and that drum C is free to rotate, determine the smallest allowable value of P if slipping of the tape on drum B is not to occur.
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2.7 Ib-in. P.
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