1. What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
2. The force that keeps a body in a circular motion called
3. It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because
4. The working of a rocket is based on the principle of:
5. A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments
6. A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ?
7. Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen?
8. The dimension of which of the following is the same as that of impulse ?
9. An object covers distance which is directly proportional to the square of the time. Its accelaration is
10. A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun.
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