Simple+Machine+Group+1

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__ Simple Machines: June 10 __
__Catapult: __ - A class three lever - A compound simple machine - Energy is traveled from one machine to another - A large class three lever system used in ancient times to lauch heavy objects

__Trebuchet: __ - A machine used in midevil siege warfare for hurling large stones or other missiles - Engine of war with a sling - Consists of a sling on a pivited wooden arm set in motion by the fall of the weight