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A ladder, leaning against a wall, makes a 60° angle with

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 7Q Chapter 9

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 7Q

Problem 7Q

A ladder, leaning against a wall, makes a 60° angle with the ground. When is it more likely to slip: when a person stands on the ladder near the top or near the bottom? Explain.

Step-by-Step Solution:
Step 1 of 3

Step-by-step solution

The point where the ladder is in contact with the ground is taken as the pivot point. And the equilibrium condition equation is written according to that pivot.

The torque of the man        increases as the man climbs up to the ladder. Because force arm dm increases.  If the torque of the man increases, the turning effect of the weight of the man increases.

So the higher the man the more probable the slip of the ladder.

Step 2 of 3

Chapter 9, Problem 7Q is Solved
Step 3 of 3

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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A ladder, leaning against a wall, makes a 60° angle with