# Mechanics of Materials: Studying 1-1

# 질문

## 내용

A circular steel rod of length \(L\) and diameter \(d\) hangs in a mine shaft and holds an ore bucket of weight \(W\) at its lower end.

(a) Obtain a formula for the maximum stress \(\sigma_{max}\) in the rod, taking into account the weight of the rod itself.

(b) Calculate the maximum stress if \(L=40m, d=8mm\), and \(W=1.5kN\).

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