A constant moment M in the clockwise direction is applied to a 20-lb thin disk in contact with an inclined surface. The kinetic friction coefficient is at the point of contact D. Determine the magnitude of the angular acceleration of the disk by neglecting the weight of the link AB, if M = 7.5 lb-ft and =0.4. Present your answer in rad/sec² using 3 significant figures. 1 in = 1/12 ft. 9 in. B M 30° D
A constant moment M in the clockwise direction is applied to a 20-lb thin disk in contact with an inclined surface. The kinetic friction coefficient is at the point of contact D. Determine the magnitude of the angular acceleration of the disk by neglecting the weight of the link AB, if M = 7.5 lb-ft and =0.4. Present your answer in rad/sec² using 3 significant figures. 1 in = 1/12 ft. 9 in. B M 30° D
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.72P
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