There is a ladder leaning to the wall in your room. The ladder looks like it is about to slide down and fall. What would you do? How would you fix it? You will make it stand more vertical, right? Well...why? Draw a diagram, show all the forces that are present, and find the net torque. Do you see why a more vertical position is more stable?

There is a ladder leaning to the wall in your room. The ladder looks like it is about to slide down and fall. What would you do? How would you fix it? You will make it stand more vertical, right? Well...why? Draw a diagram, show all the forces that are present, and find the net torque. Do you see why a more vertical position is more stable?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section8.2: Rotational Dynamics

Problem 13PP

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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

Solve plz ... Don’t forget to sketch diagram (with forces) and formulas complete on it

There is a ladder leaning to the wall in your room. The ladder looks like it is about to slide down
and fall. What would you do? How would you fix it?
You will make it stand more vertical, right? Well...why?
Draw a diagram, show all the forces that are present, and find the net torque. Do you see why a
more vertical position is more stable?

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