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प्रश्न
Give three examples of bodies possessing potential energy.
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उत्तर
(i) An object kept at a height above the ground.
(ii) A compressed spring, and
(iii) A stretched catapult.
संबंधित प्रश्न
Write true or false of the following statement.
There is always some loss of energy in conversion from one form of energy to another form, so the total energy is not conserved.
Fill in the blank
The energy possessed by a body due to its motion is called ______ energy.
A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
State two disadvantages of using wind energy for generating electricity.
State the energy transformation on the following:
Electricity is obtained from hydro energy.
State the energy changes which take place when:
A body released from rest from the top of a building.
Give one example when:
Mechanical energy changes to electric energy.
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
