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. |
APPEARS IN
संबंधित प्रश्न
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Explain the principle of generating electricity from hydro energy.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Is it possible that a body may possess energy even when it is not in motion?
Write the type of energy possessed in the following case:
A moving cricket ball.
Explain the principle of working of the windmill for generating electricity.
Can you tell?
Describe one natural chain of transformation of energy.
What are the small particles that can be seen in a beam of light that enters a dark room?
Unit of calorific value of a substance is ____________.
