178_Dynamics 11ed Manual

178_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

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Engineering Mechanics - Dynamics Chapter 13 Problem 13-42 Blocks A and B each have a mass M . Determine the largest horizontal force P which can be applied to B so that A will not move relative to B . All surfaces are smooth. Solution: Require a A a B = a = Block A : + Σ F y = 0; N cos θ () Mg 0 = Σ F x = Ma x ; N sin Ma = ag tan = Block B : Σ F x = Ma x ; PN sin = P 2 tan = Problem 13-43 Blocks A and B each have mass m . Determine the largest horizontal force P which can be applied to B so that A will not slip up B . The coefficient of static friction between
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