Let's revise

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Across
  1. 5. Seat belt in swing stops you from falling by making the force ________
  2. 6. ______used in structures of rides make them strong and stiff to support heavy weights
  3. 8. shorter vibrating air column makes a ____ pitched sound
Down
  1. 1. To win an arm wrestling match forces are unbalanced
  2. 2. A potter applies force with his hands to change the _____ of pot
  3. 3. To balance a seesaw multiplication of _____ and its distance from center for both sides must be equal
  4. 4. Effects of _______ can be seen when you sit on springer ride
  5. 7. A big air column makes a ___ pitched sound