Answers

2014-06-16T09:48:30+05:30
Torque = force *r 
here 2 equal and opp foeces are acting 
therefore net force = 0
hence trrque is also = 0
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2014-06-16T09:54:23+05:30
The net forc will be 0 as 20N-20N=0 so the answer will be 0...
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