Home › CBSE Class 11 › Physics › System of Particles and Rotational Motion › A body whose shape never changes and whose parti…
A 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: NCERT Class 11 Physics Part I, Chapter 7, Systems of Particles and Rotational Motion._
Related questions
Stretching your arms while spinning slows you because it increases your:Spinning on a swivel chair, you stretch your arms out. Your spin:When no external torque acts, what stays constant?The theorem of perpendicular axes applies to bodies that are:Car engines carry a heavy disc that smooths out jerky speed changes. It is a:Does the moment of inertia change if a body spins faster?The rotational analogue of mass is:In uniform gravity the centre of gravity coincides with the: