Engineering Mechanics: Dynamics (14th Edition)
14th Edition
ISBN: 9780133915389
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 18.5, Problem 63P
The system consists of 60-lb and 20-lb blocks A and B , respectively, and 5-lb pulleys C and D that can be treated as thin disks Determine the speed of block A after block B has risen 5 ft, starting from rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord.
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Q4. The system consists of 60 lb and 20 lb blocks A and B, respectively, and 5 lb pulleys C and D that
can be treated as thin disks. Determine the speed of block A after block B has risen 5 ft, starting from
rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord.
0.5 ft
A
0.5 ft
D
B
2) If the system is released from rest, determine the speeds of both masses after B has
moved 1 m. Neglect friction and the masses of the pulleys.
40 kg
20°
8 kg
As shown in the figure, the 300-lb counterweight B pulls the 200-lb block A up the 30° incline; the coefficient of kinetic friction is 0.20. If the pulleys are considered frictionless and weightless, determine the velocity of block A after it has moved 20 ft, starting from rest.
Chapter 18 Solutions
Engineering Mechanics: Dynamics (14th Edition)
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