Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Examples of potential energy:
(i) Water stored at a height in a reservoir.
(ii) A stretched spring.
APPEARS IN
संबंधित प्रश्न
A boy weighing 25 kgf climbs up from the first floor at height 3 m above the ground to the third floor at height 9m above the ground. What will be the increase in his gravitational potential energy? (Take g = 10 N kg -1)
What do you mean by degradation of energy?
What are the quantities on which the amount of work done depends? How are they related to work?
What is the work done against gravity when a body is moved horizontally along a frictionless surface?
Define 'joule'.
An object is dropped from a height H. when is its
(i) P.E. maximum,
(ii) K.E. maximum,
(iii) P.E. = K.E.?
In the following case write yes, if the work is being done and no if no work is being done.
A boy climbing up a staircase.
A uniform chain of length 2 m is kept on a table such that a length of 60 cm hangs freely from the edge of the table. The total mass of the chain is 4 kg. What is the work done in pulling the entire chain on the table?
