Discussion :: Kinematics of Particle (KOP) - General Questions (Q.No.12)
|Eno said: (Sep 7, 2019)|
|According to the number of strings in pulley B and the side A.
The equation of dependency would be:
: . VA + 2VB =0,
: . VB=-VA /2,
VB = -2/2 =-1m/s.
But the direction if the positive velocity VA is downwards, therefore, the negative velocity would be upward, So, the answer is B.
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