What is precession ?
"A particle has point volume". True of False ?
What is pure translational motion ?
Obtain Newton's second law for system of particle and write it.
How to be verify fixed axis ?
Two hollow spheres each of mass $M$ and radius $\frac {R}{2}$ are connected with a massless rod of length $2R$ as shown in figure. What will be the moment of inhertia of the system about an axis $yy'$ passing through the center of one of the sphere and perpendicular to the rod