Question

For which of the following does the centre of mass lie outside the body?(a) A pencil(b) A shotput(c) A dice(d) A bangle

Answer 1

absouletly for d) A bangle.

Centre of mass of bangle always lies on geometric centre of bangle (only if bangle is uniform)

Answer 2

The center of mass will lie outside the body for a bangle.

• The mass center is a fixed location relative to an entity or object system. It is the average location of all the machine components, weighted by their masses. The center of mass is located in the center of the center for simple rigid objects with uniform density.
• The center of mass will lie outside for the Bangle as its center of mass is in the center of its body, which is hollow outside the body.