Advertisements
Advertisements
प्रश्न
Differentiate between the potential energy (U) and the kinetic energy (K).
Advertisements
उत्तर
| Potential energy (U) | Kinetic energy (K) |
| 1. The energy possessed by a body by virtue of its specific position or changed configuration is called potential energy. | 1. The energy possessed by a body by virtue of its state of motion is called kinetic energy. |
| 2. Two forms of potential energy are gravitational potential energy and elastic potential energy. | 2. Forms of kinetic energy are translational, rotational and vibrational kinetic energy. |
| 3. Example: A wound up watch spring has potential energy. | 3. Example: a moving car has kinetic energy. |
संबंधित प्रश्न
A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
State the changes in form of energy while producing hydro electricity.
Give one disadvantage of using a solar cell.
State two advantages of using wind energy for generating electricity.
Name two examples in which the mechanical energy of a system remains constant.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
State the energy changes which take place when:
An air gun is loaded and then fired.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
Use your brain power!
Why do tablets of camphor decrease in size day by day?
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
