alleryThe rotational analogue of mass in linear motion is the moment of:
AIncidence
BInduction
CInertia
DImpulse
Answer & Solution
Correct answer: C. Inertia
1. Mass measures resistance to being accelerated.
2. Rotation needs a quantity playing the same part.
3. The parameter moment of inertia is the rotational analogue of mass in linear motion.
4. So the answer is inertia.
_Source: syllabus Physics Part I, Ch 6 'Systems of Particles and Rotational Motion'_
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