Definition:Body

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Definition

In the context of physics and applied mathematics, a body is an object (possibly idealized) which is imagined to have a material existence in the physical universe.


A body can be considered as an aggregate of particles to which it is possible to apply a force.


Rigid Body

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.


Deformable Body

A deformable body is a body $B$ which is not rigid.

That is, when under the influence of a force, the distance between any two points of $B$ may not remain constant.


Sources