A different scaffold that weighs 400 N supports two

Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Problem 4P Chapter 2

Conceptual Physics | 12th Edition

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Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Conceptual Physics | 12th Edition

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Problem 4P

A different scaffold that weighs 400 N supports two painters, one 500 N and the other 400 N. The reading in the left scale is 800 N. What is the reading in the right-hand scale?

Step-by-Step Solution:
Step 1 of 3

First of all in the question the particular condition is not given that whether the whole system is balanced or not. So, let’s solve it. STEP 1:- At point “A” the person with 500 n is standing and at point “B” the person with 400 N is standing. Point “O” represents the centre point where the whole mass is concentrated and weighs 400 N. From the figure it is clearly visible that the distance of two persons from the centre “O” is different. And if we use the formula for the centre of mass where R is the coordinate of centre of mass, m R +m R R = m +m 2 2----------------(1) 1 2 So, intuitively we can say that this is an unbalanced system, because According to the centre of mass condition, m 1 =1m R -2-2---------(2) Here, R 1 R an2 m > m a1 the 2wo painters have...

Step 2 of 3

Chapter 2, Problem 4P is Solved
Step 3 of 3

Textbook: Conceptual Physics
Edition: 12
Author: Paul G. Hewitt
ISBN: 9780321909107

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