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    Dynamics Problem - Torque and Acceleration

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    A motor/hoist lifts a weight at B with the ideal pulley and rope system shown (*see attached). For the information given, the acceleration of B in ft/s[squared] is what?

    a. 9.2
    b. 0.0
    c. 4.6
    9. 6.3

    *Please see attachment for diagram and please show your work.

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    Solution Preview

    Because, for motor,

    Torque M = T*r
    => tension in the string T = M/r = ...

    Solution Summary

    This solution is provided in 71 words and uses equations for torque and tension to calculate acceleration of the block. A .jpg diagram is attached to further understanding of the problem.