Question 2781
What is the centre of mass of two particles of mass 5 kg each at positions (0,0) and (4,0)?
Question 2782
If all particles in a system are shifted such that each xi increases by 5 units, what happens to X?
Question 2783
How is the centre of mass of a triangular lamina different from three particles at vertices?
Question 2784
What is the effect of adding a particle with negative mass on the centre of mass?
Question 2785
If a system is symmetric about a point, where is the centre of mass?