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A small block of mass m is attached to one end of a string OA of length l as shown in figure. The end O of the string is fixed at point O and the block is released with the string horizontal. If $m = 2 k g$ , find the maximum tension induced in the string. Take $g = 10 m / s^{2}$ .

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Correct option is D

Tension in the string is maximum when the string will be vertical. At this instant, conserving energy, 12mV2=mgl⇒mV2l=2 mg∴ Tmax⁡=mg+mV2l=mg+2mg=3×2×10 N=60 N

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A small block of mass m is attached to one end of a string OA of length l as shown in figure. The end O of the string is fixed at point O and the block is released with the string horizontal. If m=2kg, find the maximum tension induced in the string. Take g=10 m/s2.

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Ready to Test Your Skills?

free study material

A small block of mass m is attached to one end of a string OA of length l as shown in figure. The end O of the string is fixed at point O and the block is released with the string horizontal. If $m = 2 k g$ , find the maximum tension induced in the string. Take $g = 10 m / s^{2}$ .