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Kinetics: F=ma (Ch. 3 & 7) Review Lecture 32 ME 231: Dynamics Question of the Day What is the most important concept in mechanics? Free Body Diagram What is the most important Fma concept in dynamics? F ma mx Equations of Motion x x F ma my y y F ma mz z z ME 231: Dynamics 2 Outline for Today Question of the dayQuestion of the day Where are we in the course? Inverse vs. forward dynamics Kinetics: cause of motion Possible solutions to kinetics problems nd Direct application of Newton’s 2 Law Plane motion types for rigid bodies Equations, equations, equations… Exam 2a breakdown (kinetics: F=ma) ME 231: Dynamics 3 Where are we in the course? Concept: What is dynamics? Chapters 1, 2, 6 Chapters 3, 5, 7, 8 Kinematics Kinetics Dynamics Relationship Relationship among position, among forces velocity, and (and acceleration moments)and acceleration ME 231: Dynamics 4
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