Physics
(a) Give one example of pure rotational motion.
(b) Comment on the movement of particles on the axis of rotation in pure rotational motion.
Related Questions
(a) A body of mass 5.5 kg is dropped from the 2nd floor of a building which is at a height of 15 m. What is the force acting on it during its fall? (g = 10 ms-2)
(b) What are isobars ?
(c) How many pulleys are there in a movable block and tackle system with velocity ratio 5 ?
Point the centre of gravity of the object given below
(a) A brass ball is hanging from a stiff cotton thread. Draw a neat labelled diagram showing the forces acting on the brass ball and cotton thread.
(b) Can the couple acting on a rigid body produce translatory motion?