ELEMENTARY EXPLORATION: Simple Machines: Lever Background: You and your best friend are on the playground. Your friend weighs 100 pounds and you weigh 50 pounds. He dares you to lift him and hold him up for 5 minutes. A

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Date: 2009-08-14 18:36:16		ELEMENTARY EXPLORATION: Simple Machines: Lever Background: You and your best friend are on the playground. Your friend weighs 100 pounds and you weigh 50 pounds. He dares you to lift him and hold him up for 5 minutes. A Add to Reading List Source URL: www.eia.gov Download Document from Source Website File Size: 103,36 KB Share Document on Facebook