PIRA: 1C30.17

Equipment List

  • Hinged board with cup
  • Ball
  • Support Stick


  1.  Raise the top board and hold it in place with the support stick. Balance the lead ball on the tee at the end of the board.
  2. Remove the support stick quickly. As the board falls the ball will land in the cup.
  3.  Observe that the cup travels in a curve. The ball travels in a straight line from its starting position to the ground