For the pulley system shown in Fig. , each of the cables at A and B is given a velocity of 2 ms-1 in the direction of the arrow. Determine the upward velocity v of the load m.
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a
1.5 ms−1
b
3 ms−1
c
6 ms−1
d
4.5 ms−1
answer is A.
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Detailed Solution
vA = 2ms-1 (towards right)VP1=VA2=1 ms−1(upwards)VB= 2 ms−1(towards left)2VP2=VB+VP1VP2=VB+VP12=2+12=1.5 ms−1
For the pulley system shown in Fig. , each of the cables at A and B is given a velocity of 2 ms-1 in the direction of the arrow. Determine the upward velocity v of the load m.