Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Center of Mass and Linear Momentum Center of Mass
The x- coordinates of the particles of a system of bodies whose centre of mass is at origin will be?
1
always positive for all particles
2
always negative for all the particles
3
positive for some particles and negative for other particles
4
More than one of the above
5
None of the above