Definition:Body/Rigid

Definition

A rigid body is a body $B$ with the property that the distance between any two points of $B$ remains constant regardless of any external forces.

Also known as

A rigid body is also known as a stiff body.

Oh stop sniggering, for goodness sake.

Also see

• Definition:Deformable Body

• Definition:Ideal (Physics)

• Results about rigid bodies can be found here.

Sources

• 1951: B. Hague: An Introduction to Vector Analysis (5th ed.) ... (previous) ... (next): Chapter $\text I$: Definitions. Elements of Vector Algebra: $2$. Graphical Representation of Vectors
• 1975: Patrick J. Murphy: Applied Mathematics Made Simple (revised ed.) ... (previous) ... (next): Chapter $1$: Mechanics: $(1)$ Rigid Bodies
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): rigid body
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): rigid body