Which forces needed for the rotational motion about a fixed axis ?
Fly-wheel is used with an engine because it
How to be verify fixed axis ?
Two blocks which are connected to each other by means of a massless string are placed on two inclined planes as shown in figure. After releasing from rest, the magnitude of acceleration of the centre of mass of both the blocks is $(g = 10\, m/s^2)$
State and explain the law of conservation of momentum of the system of particle.
What is precession ?