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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
6 Nov 2021

Given information

We are given that;

The horizontal acceleration produced by an earthquake  

we have to show that static friction so that objects hold their places. 

Step-by-step explanation

Step 1.

Static frictional force is directly proportional to the normal force  acting on a body

 

    

The free-body diagram for the problem is shown below:

 

 

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