What is a rigid body?#

Part 1#

A rigid body is an object:

Answer Section#

  • For which the dimensions are irrelevant to the description of its motion or the action of forces upon it.

  • Whose dimensions are negligible.

  • Whose changes in shape are negligible compared with the overall dimensions of the body or with the changes in position of the body as a whole.

  • That is always at rest.

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.