Advertisements
Advertisements
Question
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
Advertisements
Solution
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
RELATED QUESTIONS
Explain how, geothermal energy is used to generate electricity.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
What is hydro energy?
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
Give one example when:
Electric energy changes to sound energy.
What is the difference between the solid, liquid, and gaseous states of a substance?
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
