Q. In absence of external forces, the velocity of center of mass is

बाह्य बलों की अनुपस्थिति में द्रव्यमान के केन्द्र का वेग होता है

A
Constant
स्थिर
B
Increasing
की बढ़ती
C
Decreasing
घटाना
D
Zero
शून्य

Explanation

If there are no external forces acting on a system, then the total momentum of the system is conserved. Since momentum = mass × velocity, and mass is constant, the velocity of the center of mass remains constant (both magnitude and direction).

Invest in Future Achievers

Your support helps keep Exam Achiever 100% free for students preparing for exams.

Thanks for your support!

More From This Topic

Related Questions

Related Topics

Electromagnetic Induction AC and DC Circuits Systems of Particles and Center of Mass Collisions (Elastic and Inelastic) Reflection and Refraction

Comments

Leave a Comment

Invest in Future Achievers

Your support helps keep Exam Achiever 100% free for students preparing for exams.

Thanks for your support!

People Also Search For

Illustration of a clipboard with a checklist and pencil, bright and colorful style

Ready for a Challenge?

Take our Free timed mock tests to sharpen your skills and boost your confidence!