Question: Knowing that the coefficient of friction between the 60-lb block and the incline is 0.25, s = determine (a) The smallest value of P for

Knowing that the coefficient of friction between the 60-lb block and the incline is 0.25, sμ = determine

(a) The smallest value of P for which motion of the block up the incline is impending,

(b) The corresponding value of β.




P. 60 lb 30°


P. 60 lb 30

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