Define mechanical advantage in lever.
How to be verify fixed axis ?
What is rotational motion ? Explain it with example.
A cylinder of mass $M$ and radius $r$ is mounted on a frictionless axle over a well. A rope of negligible mass is wrapped around the cylinder and a bucket of mass $m$ is suspended from the rope. The linear acceleration of the bucket will be
Which types of force acting on the system of particle ?
State the Newton's second law for the system of particle ?