## Fundamentals of Physics Extended (10th Edition)

Published by Wiley

# Chapter 6 - Force and Motion-II - Questions: 2d

#### Answer

As θ increases, $f_{s,max}$ decreases.

#### Work Step by Step

The equation that guides the thinking in this problem is: $f_{s,max}$=Coefficient of Static Friction×FN The coefficient of static friction is always the same, so only the normal force is taken into account. The normal force has a direct relationship with $f_{s,max}$, so as the normal force increases, $f_{s,max}$ increases. Increasing $\theta$, decreases the normal force, meaning that it also decreases $f_{s,max}$.

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