PDF chapter test TRY NOW

Activity related to forms of energy
  • Take a rubber band.
  • Hold it at one end and pull from the other. The band stretches.
  • Release the band at one of the ends.
  • What happens?
  • The band will tend to regain its original length. Obviously the band had acquired energy in its stretched position.
  • How did it acquire energy when stretched?
While stretching the rubber band, we are doing . This work done is stored in the form of .
 
When we release the band at one of the ends, its  is converted into .