nursing UP CNET BSc Nursing 2025 Mock Test Series Physics Center of Mass and Linear Momentum Newton’s Second Law for a System of Particles
If the vector sum of all the forces acting on the system of particles is zero, then we can say that:
1
All the particles must move with constant velocity
2
Acceleration of the centre of mass must be zero
3
The position of the centre of mass must not change
4
None of these