Lecture 26 sect 7.4

# Lecture 26 sect 7.4 - ME 221 Statics Lecture #26 Section...

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ME221 Lecture 26 1 ME 221 Statics Lecture #26 Section 7.4

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ME221 Lecture 26 2 Homework #9 Chapter 5 problems: Due Today
ME221 Lecture 26 3 Homework #10 Chapter 7 problems: Due Friday, November 7

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ME221 Lecture 26 4 Last Lecture: Internal Forces in Structures Reviewed internal/external forces Found internal forces Started shear & moment diagrams
ME221 Lecture 26 5 Generate a shear / bending diagram as follows: 2. Take a section on each side of an applied force or moment and inside a distributed load (take a new section whenever there is a change in the load or shape of the beam) - draw a FBD and sum forces / moments 3. Repeat 2 along the length of the beam 1. Find reaction forces w(x ) distributed load V(x ) shear force M(x ) moment Shear and Moment Diagrams using Sectioning Method

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ME221 Lecture 26 6 V M V M Sign Convention Positive Shear and Positive Moment
Lecture 26 7 Positive Shear M M Positive Moment Effect of External Forces

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## This note was uploaded on 07/25/2008 for the course ME 221 taught by Professor Buch during the Summer '08 term at Michigan State University.

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Lecture 26 sect 7.4 - ME 221 Statics Lecture #26 Section...

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