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Activity 2-Gravity & Balance

Objectives
• identify gravity as the force that makes an object fall
• measure the strength of the gravity force on an object
• compare gravity and gravity support forces
Vocabulary
gravity - force that pulls objects toward the center of the earth
gravity support force - force that acts in the opposite direction of gravity
newton (N) - unit of weight in the metric system
pound (lb.) - unit of weight in the English system
weight - the strength of the gravity force pulling down on an object
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