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9th Edition

Barry J. Goodno + 1 other

Publisher: Cengage Learning

ISBN: 9781337093347

Chapter 6, Problem 6.4.7P

Textbook Problem

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Solve the preceding problem for a cantilever beam with data as *b = *4 in., *h = *9 in., *L = *10 ft,

To determine

Orientation of neutral axis and maximum tensile stress.

**Given Information: **

The following figure is given,

Also,

Neutral axis lies on the zero normal stress line.

The normal stress is given by,

Equate it to zero to find the line.

**Calculation:**

Consider the following figure,

You have following equation for zero normal stress,

If load is at x distance from the origin along the beam length, then moments due to load and moments of area are as,

Substitute these expressions in equation (1), to get,

Mechanics of Materials (MindTap Course List)

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.20 Determine the plastic moment Mpfor beam having...

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