CBSE Class 11-science - Conservation of Angular Momentum Videos
Systems of Particles and Rotational Motion
This video explains that angular momentum is constant if external net torque is zero and the conservation of angular momentum.
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please answer
- What is the Principle of Conservation of Angular Momentum?
- Why does a ballet dancer fold her arms while spinning?
- What is the purpose of attaching a flywheel on a space craft?
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A 100g toy moves with a linear velocity of
. If its position vector is 
m about the origin, then, find the angular momentum?
- Find the angular momentum of a thin hoop of radius 1 m and mass 1.5 kg that is rotating at a velocity of 8 rad/s?
- Explain if the ice on the polar caps melts, how will it affect the rotation of earth?
- How much angular impulse must be supplied by the hamstrings to bring a leg swinging at 8 rad/s to a stop, given that the leg's moment of inertia is 0.8 kg m2?
- Calculate the angular momentum with respect to the origin of a particle of mass m = 0.6 kg when it is located at a position 6.0m due South, with speed of 10m/s in direction 30 degrees North of East
- What is the unit of angular momentum? What is its dimensional formula?
