Angular Analogue of Linear Momentum
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Q. Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio:
- 2:1
- 1:2
- √2:1
- 1:√2
Q.
If the net force acting on the system of particles is zero, then which of the following may vary
velocity of centre of mass
moment of inertia
position of centre of mass
Kinetic energy of the system
Q. A coin is of mass 4.8 kg and radius 1 m , is rolling on a horizontal surface without slipping, with an angular velocity of 600 rad/min.What is total kinetic energy is.
Q. if angular momentum of a rotating body about a fixed axis is increased by 10 percent then its kinetic energy is
Q.
uniform circular disc of mass 200 g and radius 4.0 cm is rotated about one of its diameter at an angular speed of 10 rad/s. Find the angular momentum about the axis of rotation