Advertisements
Advertisements
प्रश्न
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
उत्तर
Law of conservation of energy is used in answering these questions.
APPEARS IN
संबंधित प्रश्न
Does the transfer of energy take place when you push a huge rock with all your might and fail to move it? Where is the energy you spend going?
A body falls freely under gravity from rest. Name the kind of energy it will possess while falling.
What kind of energy is possessed by the following?
Water stored in the reservoir of a dam __________.
What kind of energy is possessed by the following?
A compressed spring ____________.
Water stored in a dam possesses :
Name the device or machine which convert :
Heat energy into kinetic energy (or mechanical energy).
The hanging bob of a simple pendulum is displaced to one extreme position B and then released. It swings towards centre position A and then to the other extreme position C. In which position does the bob have :
(i) maximum potential energy?
(ii) maximum kinetic energy?
When an object falls freely towards the earth, then its total energy :
Which one of the following is not the unit of energy?
In the case of negative work, the angle between the force and displacement is