1. If no external torque acts on a body, its angular velocity remains conserved.
Correct Answer is : FALSE
2. Which component of linear momentum does not contribute to angular momentum?
Correct Answer is : Radial component
3. A heavenly body revolves around a massive star in a highly elliptical orbit. Ignoring mass loss of the heavenly body when it comes too close to the star, the angular momentum over the orbit is
Correct Answer is : Constant
4. When a cat falls from a height
Correct Answer is : It lands on its feet
5. How many propellers are there in a helicopter?