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प्रश्न
A couple of 15 N force acts on a rigid body, such that arm of couple is 85 cm. Calculate moment of couple in the SI system.
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उत्तर
Moment of couple = Force × Arm of couple
= 15 × 85 N-cm.
= `15xx85xx1/100` Nm.
= 15 × 0.85
= 12.75 Nm.
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