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Assertion : A judo fighter in order to throw his opponent on to the mat tries to initially bend his opponent and then rotate him around his hip.
Reason : As the mass of opponent is brought closer to the fighter's hip, the force required to throw the opponent is reduced.
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Reason : As the mass of opponent is brought closer to the fighter's hip, the force required to throw the opponent is reduced.
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The correct answer is:
If both assertion and reason are true and reason is the correct explanation of assertion.
Torque on the opponent by a judo fighter $\vec{\tau}=\vec{r} \times \vec{F}=r F \sin \theta \hat{n}$
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