Advertisements
Advertisements
प्रश्न
A ball is placed on a compressed spring. What form of energy does the spring possess? On releasing the spring, the ball flies away. Give a reason.
Advertisements
उत्तर
The compressed spring has elastic potential energy due to its compressed state. When it is released, the potential energy of the spring changes into kinetic energy which does work on the ball if placed on it and changes into kinetic energy of the ball due to which it flies away.
APPEARS IN
संबंधित प्रश्न
State the condition under which the mechanical energy is conserved.
What kind of energy is possessed by the following?
A stone kept on roof-top _______________
A stone is thrown upwards as shown in the diagram. When it reaches P, which of the following has the greatest value of the stone?
Name the device or machine which convert :
Heat energy into kinetic energy (or mechanical energy).
Name the device or machine which convert :
Chemical energy into heat energy.
Fill in the blank with suitable word:
The electricity meter installed in our homes measure electrical energy in the units of ___________.
What kind of energy transformation take place at a hydroelectric power station?
What kind of energy transformations take place at a coal-based thermal power station?
Describe the energy changes which take place in a radio.
How much energy does a 100 W electric bulb transfer in 1 minute?
