Question 2841
How does the centre of mass move when no external force acts on the system?
Question 2842
What is the vector equation that defines the centre of mass?
Question 2843
Why can't we perform actual summations for centre of mass of a rigid body?
Question 2844
What is the centre of mass of a system with particles at (0,0), (2,0), and (0,2) with equal masses?
Question 2845
How is the X-coordinate of centre of mass affected if all xi are increased by a constant?