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Lecture 08 - ME 221 Statics Lecture#8 Section 4.5-4.6 ME221...

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ME221 Lecture 8 1 ME 221 Statics Lecture #8 Section 4.5-4.6
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ME221 Lecture 8 2 Homework #3 Chapter 3 problems: 48, 55, 57, 61, 62, 65 & 72 Chapter 4 problems 2, 4, 10, 11, 18, 24, 39 & 43 Due Today
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ME221 Lecture 8 3 Homework #4 Chapter 4 problems: 52 & 54 Chapter 9 problems 2, 11 & 32 Due Monday, June 14 MatLab Group Problems 4.13 – plot as a function of R with 0º < α < 45º 4.51 – plot as a function of l 4.60 – plot the equivalent force and point of action Due Monday, June 14
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ME221 Lecture 8 4 Quiz #4 Today Quiz #5 Wednesday, June 16
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ME221 Lecture 8 5 Last Lecture: Centroids of Areas & Volumes
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ME221 Lecture 8 6 Centroid of Composite Bodies Basic shapes are added together to get the composite centroid We look these up in Table 4.2 This table will be supplied on future exams for shapes other than rectangles, circles and triangles
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ME221 Lecture 8 7 Area Centroids This case is also representative of line and volume centroids.
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