CHAPTER-11 WORK AND ENERGY (SET-3)

Questions in this test

1. On tripling the speed of motion of a body, is the change in K.E. is
2. A stone is tied to a string and whirled in a circular path. The work done by the stone is :
3. 9800 joule of energy was spent to raise a mass of 50 kg, the mass was raised to a height of _____
4. The linear momentum of a body of mass 2kg is $16gms^{-1}.$ What is its K.E.?
5. Potential energy and kinetic energy are types of
6. Work done is said to be positive when a force causes displacement.
7. Two masses M and 2m are dropped from a certain height ‘h’. Then on reaching the ground
8. A Rocket rises up in the air due to the force generate by the Fuel. The work done by the:
9. A body is moved through a distance of 3m in the Following different ways, in which case maximum work is done.
10. Potential Energy of a body depends on its