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ef152-lec-1-3 - Module 1 Lecture 3 Torque(Moment Newtons...

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EF 152 Spring, 2009 Lecture 1-3 1 Module 1, Lecture 3 ± Torque (Moment) ± Newton’s Second Law with Rotations ± Free Body Diagrams EF 152 Spring, 2009 Lecture 1-3 2 Define FBD A. Flash Boot Device B. Free Body Diagram C. Functional Block Diagram D. Federation of Business Disciplines Define KD A. Kiln Dried B. Kentucky Derby C. Kinetic Diagram D. Kraft Dinner EF 152 Spring, 2009 Lecture 1-3 3 Torque (Moment) Push open the door so it experiences angular acceleration about the hinge. What does the angular acceleration depend on? Top View of Door EF 152 Spring, 2009 Lecture 1-3 4 Torque (Moment): Definition, units, direction ± Book uses torque; engineers often use _______ ± Magnitude of moment is magnitude of force times ______________ distance to line of action of force. ± Units are force times length: __________ ± Although units are the same as those for work or energy, Joule is not used for moments. ± Direction determined by the _________________.
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ef152-lec-1-3 - Module 1 Lecture 3 Torque(Moment Newtons...

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