Lecture 13-S1

# Lecture 13-S1 - ENGR ENGR-1100 Introduction to Engineering...

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ENGR-1100 Introduction to ngineering Analysis Engineering Analysis Lecture 13 Notes courtesy of: Prof. Yoav Peles

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ffice Hours Office Hours Professor: Mohamed Aboul-Seoud – Email: – CII-5009 – W: 11:00 – 1:00, F: 9:00 – 11:00 GTA: Wilfredo Yushimito mail: Email: – JEC-4002 6:00 :00 pm T 9:30 1:30 am R 10:00 oon – M 6:00-8:00 pm, T 9:30-11:30 am, R 10:00-noon
rading Policies for Class Grading Policies for Class Assignments and Homework only NO LATE homework or class assignments are cepted accepted • Grading Scale: 0 -10 nly ne ndomly selected question will be graded Only one randomly selected question will be graded • Homework not picked up during class can be found a box outside my office (JEC 4002) in a box outside my office (JEC 4002)

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Homework Assignment o ewo ss g e (due in class next class ) roblem 1 Problem 6-41 Problem 6-42 Problem 6-58
Last Lecture outline • Rigid body equilibrium. BD ree Body Diagram FBD- Free Body Diagram.

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igid bodies Rigid bodies -A rigid body is an ideal obj e c tt h a th a s dimensions and mass but does not deform under loading. - The size and shape does significantly affect the response (reaction at supports) to applied force/s -A force applied to a rigid body may b et rans la ted along its line of action without altering its
equilibrium of a rigid body The necessary AND sufficient condition for a rigid body to be in uilibrium at e sultant rce d uple ting n e gid equilibrium is that the resultant force and couple acting on the rigid body must be zero . 0 F R 1 i r r r = = = n i 0 M M 1 i r r r = = = n i Particle equilibrium hose e ector uations Rigid body equilibrium Those are vector equations How many scalar equations in the 2D? In the 3D?

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Lecture 13-S1 - ENGR ENGR-1100 Introduction to Engineering...

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