Question

In which of the following cases, the centre of mass of a rod is certainly not at its centre?

• A. The density continuously increases from left to right
• B. The density continuously decreases from left to right
• C. The density decreases from left to right up to the centre and then increases
• D. The density increases from left to right up to the centre and then decreases

Answer 1

Answer: (A), (B)

The correct options are
A The density continuously increases from left to right
B The density continuously decreases from left to right