What kind of simple machines are used in a catapult?

Also if there are wheels on the bottom of the catapult to move it that too is a simple machine. If there are screws used to construct the catapult there is another simple machine. And lastly if there is a pulley system to pull the lever arm back to arm the catapult that is also a simple machine. read more

Catapult Physics and Simple Machines Warwick Castle (UK) re-enactment Catapults and Trebuchets at war Medieval Weapons Project: Make your own catapult Physics of Weapons Catapult physics is the use of stored energy to hurl a projectile (the payload), before the use of explosives was invented. read more