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A uniform rod of length 200cm and mass 5...

A uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40 cm mark. A mass of 2Kg is suspended from the rod at 20cm and another unknown mass m is suspended from the rod at 160cm mark as shown in figure. Find value of m such that the rod is in equilibrium.

A

`1/6 kg`

B

`1/12 kg`

C

`1/2 kg`

D

`1/3 kg`

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The correct Answer is:
B
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