The system consists of 60lb and 20 lb blocks A and B, respectively, and 5-Ib pulleys C and D thatcan be treated as thin disks. Determine the speed of block A after block B has risen 5ft, startingfrom rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord. please use work and energy formula 4. The system consists of 60lb and 20 Ib blocks A and B, respectively, and 5-lb pulleys C and D thatcan be treated as thin disks. Determine the speed of block A after block B has risen 5ft, startingfrom rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord.05 ft-0.5 ft-5. Block B rests upon a smooth surface. If the coefficients of static and kinetic friction between Aand B are 0.4 and 0.3, respectively, determine the acceleration of each block if P=6 lb.

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Answered: 4. The system consists of 60lb and 20…

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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The system consists of 60lb and 20 lb blocks A and B, respectively, and 5-Ib pulleys C and D that
can be treated as thin disks. Determine the speed of block A after block B has risen 5ft, starting
from rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord.

please use work and energy formula

4. The system consists of 60lb and 20 Ib 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 5ft, starting
from rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord.
05 ft-
0.5 ft-
5. Block B rests upon a smooth surface. If the coefficients of static and kinetic friction between A
and B are 0.4 and 0.3, respectively, determine the acceleration of each block if P=6 lb.

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