Advertisements
Advertisements
प्रश्न
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the unwinding of a watch spring.
Advertisements
उत्तर
The hands of a watch use the elastic potential energy saved during the unwinding of a clock. The potential energy of a wound-up spring converts into kinetic energy.
APPEARS IN
संबंधित प्रश्न
State the energy changes in the following case while in use:
An electric iron
State the energy changes in the following while using an electric motor.
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.
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:
An electromagnet.
Choose the odd one:
Can any object have mechanical energy even if its momentum is zero? Explain.
The energy conversion in a washing machine is from ______.
In an electric cell while in use, the change in energy is from ______.
