alleryFixing a body along a straight line leaves only which motion?
ARotation
BRadiation
CReflection
DRefraction
Answer & Solution
Correct answer: A. Rotation
1. Translation is ruled out by the constraint.
2. The body can still turn about the line.
3. Only rotation is possible.
_Source: syllabus Physics, Ch 6 'Systems of Particles and Rotational Motion'_
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