View full lesson: http://ed.ted.com/lessons/would-you-weigh-less-in-an-elevator-carol-hedden

What happens when you jump in a moving elevator? Do you weigh more when you're going up and less when you're going down? Carol Hedden explores the relationship between gravity, weight, and relative motion, using a moving elevator to explain the fascinating physics.

Lesson by Carol Hedden, animation by London Squared Productions.

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