Engineering Mechanics - PKRB: Work and Energy - Discussion

Discussion :: PKRB: Work and Energy - General Questions (Q.No.5)


The beam having a weight of 150 lb is supported by two cables. If the cable at end B is cut so that the beam is released from rest when = 30°, determine the speed at which end A strikes the wall. Neglect friction at B. Consider the beam to be a thin rod.

[A]. vA = 5.87 ft/s
[B]. vA = 7.43 ft/s
[C]. vA = 10.18 ft/s
[D]. vA = 6.95 ft/s

Answer: Option D


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