A spring scale indicates a tension T in the right hand cable

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A spring scale indicates a tension T in the right hand cable of the pulley system shown in Neglecting the mass of the pulleys and ignoring friction between the cable and pulley the mass m is

1. 2T/g
2. T(1 + e^4π)/g
3. 4T/g
4. None of these

Correct Option: C

∑ F_V = 0
4T = mg

or m =	4T
	g