Q. Which physical quantity remains conserved in the absence of external torques?

बाह्य बलाघूर्णों की अनुपस्थिति में कौन सी भौतिक राशि संरक्षित रहती है?

Linear momentum
रेखीय संवेग

Angular momentum
कोनेदार गति

Kinetic energy
गतिज ऊर्जा

Potential energy
संभावित ऊर्जा

If no external torque acts on a system, its angular momentum remains conserved due to the rotational analog of Newton’s first law.

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