Advertisements
Advertisements
प्रश्न
Differentiate between energy and power.
State the differences between energy and power.
अंतर स्पष्ट करें
Advertisements
उत्तर
| Energy | Power | |
| 1. | The energy of a body is its capacity to do work. | The power of a source is the energy spent by it in 1s. |
| 2. | Energy spent does not depend on time. | Power spent depends on the time in which energy is spent. |
| 3. | S.I unit of energy is the joule (J). | S.I unit of power is watt (W) |
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Work done = Force × ........................................
The energy of a body is its capacity to do .........
The moon is revolving around the earth in a circular path. How much work is done by the moon?
A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.
Name the physical quantity whose SI unit is Nm.
Distinguish between work and power.
Give two examples of kinetic energy.
Give an example of a body possessing no K.E.
Define one horse power.
A body is pivoted at a point. A force of 10 N is applied at a distance of 30 cm from the pivot. Find the moment of force about the pivot.
