A hollow steel ball has a vacuum inside. Its centre of mass sits at the:

Question

Accepted Answer

B. Geometric centre

1. The mass is spread evenly around the centre.
2. Symmetry places the average at the middle.
3. So it sits at the geometric centre.
_Source: OpenStax University Physics Volume 1, Chapter 9, Linear Momentum and Collisions._

Answer

Lowest point

Answer

Outer surface

Answer

Highest point

A hollow steel ball has a vacuum inside. Its centre of mass sits at the:

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