A rigid uniform bar of length 2.4 m is pivoted horizontally at its mid-point.
Weights are hung from two points of the bar as shown in the diagram. To maintain horizontal equilibrium, a couple is applied to the bar.
What is the torque and direction of this couple?
40 N m clockwise
2 )
40 N m anticlockwise
3 )
80 N m clockwise
4 )
80 N m anticlockwise
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