A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 6.00 m/s2. What is the magnitude of the normal force of the elevator floor on the dog? 049 N 64 N 79 N 034 N 043 N 55 N 0 19 N

A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 6.00 m/s2. What is the magnitude of the normal force of the elevator floor on the dog? 049 N 64 N 79 N 034 N 043 N 55 N 0 19 N

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter4: Forces In One Dimension

Section: Chapter Questions

Problem 6STP

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 6.00
m/s2. What is the magnitude of the normal force of the elevator floor on the dog?
49 N
64 N
79 N
34 N
43 N
55 N
0:19 N

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