W 16.23 A 20-lb uniform disk is placed in contact with an inclined surface and a constant 7.5 lb ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, de- termine (a) the angular acceleration of the disk, (b) the force in the link AB.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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16.23 A 20-lb uniform disk is placed in contact with an inclined surface
and a constant 7.5 lb ft couple M is applied as shown. The weight of the link
AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, de-
termine (a) the angular acceleration of the disk, (b) the force in the link AB.
9 in
Fig. P16.23 and P16.24
D
Transcribed Image Text:. 16.23 A 20-lb uniform disk is placed in contact with an inclined surface and a constant 7.5 lb ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, de- termine (a) the angular acceleration of the disk, (b) the force in the link AB. 9 in Fig. P16.23 and P16.24 D
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