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The total torque about pivot A provided ...

The total torque about pivot A provided by the forces shown in the figure, for L = 3 m, is

A

`210` Nm

B

`140` Nm

C

`95` Nm

D

`75` Nm

Text Solution

Verified by Experts

The correct Answer is:
D
`tau=80xx(3)/(2)xxsin30^(@)+70xx3xxcos60^(@)-60xx(3)/(2)`
= `165-90=75` N-m
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