Question: Work done by gravitational force when pendulum rotate 9 0 degree clockwise is Given mass of rodAB = 2 k g , mass of disk

Work done by gravitational force when pendulum rotate 90 degree clockwise is Given mass of rodAB=2kg, mass of disk =4kg.
a.,117.7Nm
b.113.8Nm
c.,149.1Nm
d. None of the menitoned
Work done by gravitational force when pendulum rotate 90 degree clockwise

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