Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
P.E. is the energy possessed by a body by virtue of its position, shape or configuration but K.E. is the energy possessed by a body by virtue of its velocity or motion.
E.g. A ball kept on a cliff possesses P.E. but as soon as it is kicked it possesses K.E.
APPEARS IN
संबंधित प्रश्न
Name a common device where a gear train is used
How is work related to energy?
State the SI unit of work.
P, Q and R are three forces which act as shown in fig.
The point O lies in the same plane. Given, P = Q = R = 10N
(i) Which force has the least moment about O? Give a reason.
(ii)Which force has the greatest moment about O? Give a reason.
Write an expression for work done by a force depends?
What do you understand by 'potential energy' and 'Kinetic energy'? Give three examples of each to illustrate your answer.
What is the difference between renewable and non-renewable resources?
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
Suma is swimming in a pond.
