Two forces of 20 Newton are acting at the two ends of the scale in
opposite direction to form a couple, if the length of the scale is
40 cm find moment of couple?
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Magnitude of force applied on each end = 10 N .
The moment of force τ = r × F. Hence in bothe the cases, moment of force is in the clockwise direction, and the moment of forces add to one another.
The magnitude of τ = 2 × 10 × 2 = 40 Nm in the clockwise direction.
Explanation:
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