Wiktionary
n. (rigid body English)
Usage examples of "rigid bodies".
For as the science of the eighteenth and nineteenth centuries progressed, the mechanics of point masses was extended to describe gravitation, electrostatics, the behavior of rigid bodies, then of continuous deformable media, and so to fluids and things like kinetic theories of heat.
The method of Cartesian coordinates must then be discarded, and replaced by another which does not assume the validity of Euclidean geometry for rigid bodies.
In gravitational fields there are no such things as rigid bodies with Euclidean properties.
The study of gases was originally quite distinct from that of rigid bodies, and would never have advanced to its present state if it had not been independently pursued.
They left behind the lifeless, rigid bodies of the two men who were awaiting the return of their original spirits.
The lizards counselled patience with their rigid bodies and bright, darting eyes.
Just as it was there impossible to construct a Cartesian co-ordinate system from equal rods, so here it is impossible to build up a system (reference-body) from rigid bodies and clocks, which shall be of such a nature that measuring-rods and clocks, arranged rigidly with respect to one another, shaIll indicate position and time directly.