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This lecture covers topics from chapters 2, 3, 4, 5, 6, 7, 8, and 9 of statics. It includes vectors and force systems, rigid bodies, distributed forces, moments of inertia, equilibrium of rigid bodies, internal forces in structures, analysis of structures, and friction. The exam will consist of 7-8 problems, including structures and friction, as well as other topics from previous material. Don't forget to check Blackboard for any missing scores and pick up old homework and quizzes.
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ME 221 StaticsLecture #38Final Exam Review Lecture #38
Final Exam Wednesday, April 30 10:00am – 12:00 noon 1345EB See University policy for multiple exams 30% of course grade Lecture #38
Final Exam Topics Chapter 2: Vectors and Force Systems • Scalars & vectors • Laws of sine & cosine • Resolution of a vector into components • 3D coordinates & unit base vectors • Directional cosines • Scalar products of two vectors • 2D & 3D equilibrium problems Lecture #38
Final Exam Topics Chapter 3: Rigid Bodies • Calculating moments • Cross products • Moment of force about an axis • Moment of a couple • Equivalent force systems Lecture #38
Final Exam Topics Chapter 4: Distributed Forces • Center of mass • Centroids of lines, areas & volumes • Centroids of composite bodies • Distributed loads on beams Lecture #38
Final Exam Topics Chapter 9: Moments of Inertia • Second Moment of Area; Ixx & Iyy • Polar Moments; J0z • Parallel Axis Theorem • Composite Areas • Principal Second Moments; Ixy • Mohr’s Circle Lecture #38
Final Exam Topics Chapter 5: Equilibrium of Rigid Bodies • Equilibrium Equations • Supports • Free Body Diagrams • Two-Force Members • 3D Equilibrium Lecture #38
Final Exam Topics Chapter 7: Internal Forces in Structures • Internal Forces • Shear Forces • Bending Moments • Shear & Bending in Beams Lecture #38
Final Exam Topics Chapter 6: Analysis of Structures • Planar trusses • Method of joints • Method of sections • Frames Lecture #38
Final Exam Topics Chapter 8: Friction • Coulomb friction • Coefficient of static friction • Wedges Lecture #38
Final Exam Format 7 to 8 Problems At least one each: Structures – Chapter 6 Friction – Chapter 8 Others from previous material Lecture #38
Other Topics Check Blackboard to make sure all scores have been properly entered Pick up all old homework & quizzes Lecture #38