561_Dynamics 11ed Manual

561_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 17 Problem 17-75 The two blocks A and B have a mass m A and m B , respectively, where m B > m A . If the pulley can be treated as a disk of mass M , determine the acceleration of block A . Neglect the mass of the cord and any slipping on the pulley. Solution: a α r = m B gr m A 1 2 Mr 2 m B r 2 + m A r 2 + = gm B m A () r 1 2 Mm B + m A + = a B m A 1 2 B + m A + = *Problem 17-76 The rod has a length L and mass m . If it is released from rest when θ = 0 ° , determine its angular velocity as a function of
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