alleryA rigid body is ideally a body with a perfectly definite and unchanging:
AShape
BShade
CSheen
DShell
Answer & Solution
Correct answer: A. Shape
1. A rigid body is an idealisation used to simplify motion.
2. What is idealised is its geometry.
3. Ideally a rigid body is a body with a perfectly definite and unchanging shape.
4. So the answer is shape.
_Source: syllabus Physics Part I, Ch 6 'Systems of Particles and Rotational Motion'_
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