Question

Two particles of masses 2 kg and 3 kg are at x = 0 m and x = 5 m on the x-axis. Where is the centre of mass on the x-axis?

Options

• x = 2.0m

• x = 3.0m

• x = 5.0m

• x = 3.5m

Answer 1

x = 3.0m

Explanation:

Heavier mass pulls centre of mass closer to x = 5 m; x_CM = 3 m.