InterviewSolution
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InterviewSolution
| 1. |
Massm is released from point A as shown in figurethen tension in the string at the point B will be-RPMT 2007, 0834.' mg(A) mg(C) 3mg(B) 2mg(D) 4mgller coaster is designed such that riders |
| Answer» <p>the Velocity gained by the mass at point p is</p><p>=> mgl = 1/2*(m)*(v²)=> v = √2gl</p><p>now, force balance at point B, gives </p><p>=> mg -T = mv²/l=> T = mg - (m*2gl/l)=> T = -mg </p><p>so, the value of Tension is mg .</p> | |