'Elevator accelerates upward' presentation slideshows

Chapter 4

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The Problem With The Elevators

The Problem With The Elevators. When a person is accelerating upwards or downwards they can sometimes feel heavier or lighter than they actually are. Although their actual weight (force of gravity) is the same, their apparent weight differs.

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Apparent weight

Apparent weight. If an object subject to gravity is not in free fall, then there must be a reaction force to act in opposition to gravity. We sometimes refer to this reaction force as apparent weight. Elevator rides. When you are in an elevator, your actual weight (mg) never changes .

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