Block B as mass m and is released from rest when it is on top of the wedge A ,which has the mass 3m .Determine the tension in cord CD to hold the wedge from moving while the block B is sliding down A. Neglect Friction. A)2mgcos(theta) B)mgcos(theta)/2 C)mgsin(theta)/2 D)mgsin2(theta)
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T=mgsintheta.costheta
Therefore, T=mg/2(sin2theta)
(c) option is correct
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Answer: OPTION C IS CORRECT
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