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Q-20 Calculate the total torque acting on the body shown in given figure about the point O.Rotational mechanics (HCV)

Answer»

Given in the question :-

We have to take Anticlockwise TORQUE = + ve

clockwise torque = - ve


Now,

Torque = TOTAL force × perpendicular DISTANCE to the force

(clockwise and anticlockwise )



Total torque 20 * 0.04 * sin30^0 + 5*0 + 15 * 0.06 * sin37^0 - 10* 0.04* sin90^0=


= 20× 0.02 + 15 × 0.036-0.40

= 0.40+ 0.54- 0.40 N-m

= 0.54 N-m (Anticlockwise direction )


Hence RESULTANT torque acting on the point is 0.54 N-m (Anticlockwise)



HOPE it Helps :-)



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