PDF chapter test TRY NOW

Activity - Procedure:
  • Take a bamboo stick and create a bow, as shown in the below figure.
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  • Locate an arrow made of a light stick on it with one end supported by the stretched string.
  • Now stretch the string and release the arrow.
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  • Observe the arrow flying off the bow.
  • Notice the change in the shape of the bow.
Discussion and conclusions of the activity:
  • The  stored in the bow due to the change of shape is thus used as  in throwing off the arrow.
  • When the arrow is released from the bow, it  as the  of the bow and stretched string converts into  of the arrow.