Rotational MotionHard
Question
A stone attached to one end of string is revolved around a stick so that the string winds upon the stick and gets shortened. What is conserved ?
Options
A.angular momentum
B.linear momentum
C.kinetic energy
D.none of the above
More Rotational Motion Questions
A person is standing on the edge of a circular platform, which is moving with constant angular speed about an axis passi...Two small balls with masses m and 2 m are attached to both ends of a rigid rod of length d and negligible mass. If angul...A coin placed on a rotating table just slips if it is placed at a distance 4r from the centre. On doubling the angular v...Two identical discs of same radius R are rotating about their axes inopposite directions with the same constant angular ...If I = 50 kg-m2, then how much torque will be applied to stop it in 10 sec. Its initial angular speed is 20 rad/sec. :-...