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
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
Name six different forms of energy?
Select the renewable and non-renewable sources of energy from the following:
Diesel
What is geo thermal energy? Explain in brief.
What is solar energy?
State two advantages of using wind energy for generating electricity.
What do you understand by mechanical energy?
State two advantages and two disadvantages of using hydro-energy for producing electricity.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
