alleryA body whose shape never changes and whose particles keep fixed distances apart is a:
ARigid body
BFluid body
CPoint particle
DElastic spring
Answer & Solution
Correct answer: A. Rigid body
1. Every pair of particles stays the same distance apart.
2. The shape is perfectly definite.
3. That is the ideal rigid body.
_Source: syllabus Physics Part I, Chapter 7, Systems of Particles and Rotational Motion._
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