Advertisements
Advertisements
प्रश्न
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Advertisements
उत्तर
The energy of a body in motion is called it's kinetic energy. It is defined as follows :
Kinetic energy of a body is the energy possessed by it due to its state of motion.
Actually, it is the work done on the body bringing it to the state of motion. In short form it is written as K.E. or K.
Example: In a swinging pendulum moving to and fro, the bob has the kinetic energy.

APPEARS IN
संबंधित प्रश्न
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
Name six different forms of energy?
Select the renewable and non-renewable sources of energy from the following:
Wind
Explain the principle of producing electricity using the nuclear energy.
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
A body of mass 50 kg has a momentum of 3000 kg−1 ms. Calculate:
(j) the kinetic energy of the body.
(ii) the velocity of the body.
When and why do clothes smell of naphthalene?
