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Rebecca Ross

on 12 May 2010

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Transcript of catipult

Materials wood Nails and Screws Bungee cord
Catapult Made by: Rebecca Ross How it works
Broomstick handle Plastic lid When you pull back on the top energy is stored in the
bungee cord (potential energy). When it is relesed the
energy turns to kinetic energy. Which then flings the
object. Cup, to hold amo Long arm Bungee cords Wood block,to stop
arm from going to far Base Diamgram
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