A doughnut has a hole in the middle. At its centre of mass there is:

Question

Accepted Answer

C. No mass

1. The centre of mass is only an average spot.
2. Nothing forces real material to sit there.
3. For a doughnut there is no mass there.
_Source: OpenStax University Physics Volume 1, Chapter 9, Linear Momentum and Collisions._

Answer

Half mass

Answer

Twice mass

Answer

Extra mass

A doughnut has a hole in the middle. At its centre of mass there is:

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