---
title: "A block rests on a flat plane inclined at an angle of \\(30^\\circ\\) with respect to the horizontal. What is the minimum coefficient of friction necessary to keep the block from sliding?"
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url: "https://nerd-notes.com/ubq/20263/"
date_modified: "2025-09-17T05:31:39+00:00"
---

# A block rests on a flat plane inclined at an angle of \(30^\circ\) with respect to the horizontal. What is the minimum coefficient of friction necessary to keep the block from sliding?

A block rests on a flat plane inclined at an angle of \(30^\circ\) with respect to the horizontal. What is the minimum coefficient of friction necessary to keep the block from sliding?

- **A.** \[ \frac{1}{2} \]
- **B.** \[ \frac{1}{\sqrt{2}} \]
- **C.** \[ \frac{1}{\sqrt{3}} \]
- **D.** \[ \frac{1}{4} \]
- **E.** \[ \frac{2}{\sqrt{4}} \]

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/20263/*