Q. Conservation of angular momentum applies when

कोणीय संवेग का संरक्षण कब लागू होता है?

A
External torque acts
बाह्य बलाघूर्ण कार्य करता है
B
Internal torque acts
आंतरिक टॉर्क कार्य करता है
C
No external torque acts
कोई बाहरी बलाघूर्ण कार्य नहीं करता
D
Only gravity acts
केवल गुरुत्वाकर्षण ही कार्य करता है

Explanation

Angular momentum is conserved when no external torque acts on the system. Internal torques cancel out due to Newton’s third law, so they do not change the total angular momentum. Gravity may or may not apply torque depending on the situation.

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