Advertisements
Advertisements
Question
Name the form of mechanical energy, which is put to use.
Solution
Kinetic energy.
APPEARS IN
RELATED QUESTIONS
State the energy change in the following device while in use:
A loudspeaker
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
What is ocean? Explain in brief.
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
State the energy changes which take place when:
Food is digested by animals.
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
You might have seen some beautiful fireworks during Diwali. It is an example of the transformation of ______ energy into ______ energy.
Match the pairs.
Group 'A' | Group 'B' | ||
(1) | Rolling object | (a) | Heat energy |
(2) | Food | (b) | Atomic energy |
(3) | Stretched bow | (c) | Kinetic energy |
(4) | Sunlight | (d) | Potential energy |
(5) | Uranium |
(e)
|
Chemical energy
|