Advertisements
Advertisements
प्रश्न
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Advertisements
उत्तर
During the vertical fall of ball, if friction due to air is neglected, the total sum of potential energy and kinetic energy at each point of its path remains same.
APPEARS IN
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
What is nuclear energy?
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
What is tidal? Explain in brief.
Name the energy changes for the following:
electric ball
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
State the energy changes which take place when:
An air gun is loaded and then fired.
A body of mass 0.2 kg falls from a height of 10 m to a height of 6 m above the ground. Find the loss in potential energy taking place in the body. [g = 10ms−2]
What is the difference between the solid, liquid, and gaseous states of a substance?
