1.3 ft 200 Ib
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A 200-Ib block is suspended from an inextensible cable which is wrapped around a drum of 1.3-ft radius rigidly attached to a flywheel. The drum and flywheel have a
combined centroidal moment of Inertia IG=10 Ib-ft-s^2 At the instant shown, the velocity of the block is 5 ft/s directed downward. Knowing that the bearing at A is
poorly lubricated and that the bearing friction is equivalent to a couple M of magnitude 60 Ib-ft, determine the work or U1->2 (in ft-Ib) after it has moved 4.2 ft
downward
Transcribed Image Text:1.3 ft
200 Ib
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