Which of the following scenarios describe/s an object in equilibrium? I. an iPhone 6S falling off a tree II. a Macbook Air at rest on top of a table III. an iPad Pro sliding at constant speed down a rough ramp I, П and III I and III II only O I only

Which of the following scenarios describe/s an object in equilibrium? I. an iPhone 6S falling off a tree II. a Macbook Air at rest on top of a table III. an iPad Pro sliding at constant speed down a rough ramp I, П and III I and III II only O I only

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 7CQ

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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

Which of the following scenarios describe/s an object in equilibrium?
I. an iPhone 6S falling off a tree
II. a Macbook Air at rest on top of a table
III. an iPad Pro sliding at constant speed down a rough ramp
I, II and III
I and III
II only
I only

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