Advertisements
Advertisements
प्रश्न
What are the various energy transformations that occur when you are riding a bicycle?
उत्तर
- While riding a bicycle, the muscular energy of the rider gets transferred into heat energy and kinetic energy of the bicycle. Heat energy heats the rider’s body. Kinetic energy provides a velocity to the bicycle. The transformation can be shown as:
- During the transformation, the total energy remains conserved.
- Muscular Energy → Kinetic Energy + Heat Energy
APPEARS IN
संबंधित प्रश्न
State the energy changes in the following case while in use:
A ceiling fan
State the energy changes in the following while in use An electric bulb.
State the energy changes in the following while in use A loudspeaker .
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the burning of a match stick.
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:
Burning coal
Law of conversation of energy given by ______.
What is law of conservation of energy?
Choose the odd one:
A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a roundabout (Fig. 11.1) of radius 100 m. However, he moves on the circular path for one and half-cycle and then he moves forward up to 2.0 km. Calculate the work done by him.
