Advertisements
Advertisements
प्रश्न
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a car going uphill.
Advertisements
उत्तर
- Kinetic energy to potential energy (because the vehicle is approaching a specific height).
- Chemical energy to Kinetic energy (because the car is in motion).
APPEARS IN
संबंधित प्रश्न
State the energy changes that occur in the following :
The unwinding of a watch spring.
State the energy changes that occur in the following :
Lighting of a torch bulb.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Charging of a battery.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Explosion of crackers.
State the energy changes in the following case while in use:
a steam engine
State the energy changes in the following case while in use:
A solar cell
State the energy changes in the following case while in use:
A petrol engine of a running car
A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies?
Is it possible that an object is in a state of accelerated motion due to external force acting on it, but no work is being done by the force? Explain it with an example.
State the energy changes in the following case while in use:
An electric cell in a circuit
