Advertisements
Advertisements
प्रश्न
Give an example
Chemical energy changes to electrical energy.
Advertisements
उत्तर
Dry cell
APPEARS IN
संबंधित प्रश्न
Power spent by a body depends on the time for which it does work.
A box of weight 150 kgf has gravitational potential energy stored in it equal to 14700 J. Find the height of the box above the ground. (Take g = 9.8 N kg-1)
How much work is done when a body of mass m is raised to a height h above the ground?
If a ball is dropped on the sloping roof of a house, it acquires ______ and falls on the ground. That is the transformation of ______ energy into ______ energy takes place.
(kinetic, potential, motion)
________ is said to be done when a force is acting on it.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
An engine is pulling a train.
