Q. The principle of conservation of linear momentum holds true when

रैखिक संवेग के संरक्षण का सिद्धांत तब सत्य होता है जब

A
External force is applied
बाहरी बल लगाया जाता है
B
No external force acts
कोई बाहरी ताकत काम नहीं करती
C
Gravity acts
गुरुत्वाकर्षण कार्य करता है
D
Friction acts
घर्षण क्रिया

Explanation

The conservation of linear momentum states that the total momentum of a system remains constant if no external force acts on it. External forces (like friction or gravity) can change the total momentum of the system.

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