PowerPoint PresentationHomework #6Homework #7Quiz #4No ClassSlide 6Slide 7BeamsEquivalent Load LocationExampleSlide 11ME 221 Lecture 17 1ME 221 StaticsLecture #17Section 4.6ME 221 Lecture 17 2Homework #6•Chapter 4 problems:–10, 11, 18, 24, 39, 42, 43 & 47–Must use integration methods to solve–Due Monday, October 14ME 221 Lecture 17 3Homework #7•Chapter 4 problems:–52, 53 & 54–Due Friday, October 18ME 221 Lecture 17 4Quiz #4•TodayExam #2•Friday, October 18•Last day to drop without a grade reported is: Tuesday, October 15ME 221 Lecture 17 5No Class•Friday, October 11•Use this time to work on homeworkME 221 Lecture 17 6Last Lecture• Centroids of composite sectionsQUESTIONS ?????Today• Section 4.6 - Distributed LoadsME 221 Lecture 17 7Distributed Loads•Distributed loads on beams–Application of equivalent load•ExampleME 221 Lecture 17 8BeamsBeams can be loaded by a point load or a distributed loadPw(x)Replace the distributed load with an equivalent concentrated force.xdxLThe equivalent force is the sum of all the forces. 0LW w x dxME 221 Lecture 17 9Equivalent Load LocationThe equivalent load is placed at the centroid of the distributed load.w(x)xcL 01Lcx x w x dxWTo find reaction loads: replace distributed load with equivalent load at centroidWME 221 Lecture 17 10ExampleME 221 Lecture 17 11Quiz