Two forces of magnitudes 25 N each acts vertically upward and downward on two ends of rod having length 1 m freely pivoted at its mid point. Determine the resultant moment of force about the midpoint of rod.
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A. 1/2 O. 1/2 B
moment A about o
25× 1/2
= 25/2
moment B about o
25 × 1/2
= 25 /2
resultant 25/2 + 25/2
= 50/2
= 25 Nm
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