# 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.

$2.49