For the pulley system shown, each of the cables at A and B is given a velocity of 2 m/s in the direction of the arrow. Determine the upward velocity v of the load m.

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1.5 m/s

3 m/s

6 m/s

None of these

answer is A.

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Detailed Solution

VA = 2 m/s (towards right)VP1 = VA2 = 1 m/s (upwards)VB = 2 m/s (towards left)Now 2Vp2 = VB+VP1VP2 = VB+VP12 = 2+12 = 1.5 m/s

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