Question:A 200block 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 lc = 10 lb-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 lb-ft, determine the velocity of the block after it has moved 4.2 ft downward (in ft/s).FINAL ANSWER in 4 DECIMAL PLACES THANK YOU! | QuestionA 200-lb block is suspended from an inextensible cable which is wrapped around a drum af 1.3 ft radius rigidly attached to a flywheel. The drum and flywheel have acombined centroidal moment of Inertia lg =10 lb-ft-s?. At the instant shown, the velocity of the block is 5 ft/s directed downward. Knowing that the bearing at A ispoorly lubricated and that the bearing friction is equivalent to a couple M of magnitude 60 Ib-ft. determine the velocity of the block after it has moved 4.2 ft downwardin ft/s).200

T1+U1-2=T2using conservation of energy :

Answered: 0block is suspended from an…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question: A 200block 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 lc = 10 lb-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 lb-ft, determine the velocity of the block after it has moved 4.2 ft downward (in ft/s). FINAL ANSWER in 4 DECIMAL PLACES THANK YOU!

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