Lecture+08

Lecture+08 - 440:221 Intro to Engineering Mechanics:...

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440:221 Intro to Engineering Mechanics: Statics Instructor: Alberto Cuitino TA: Pam Carabetta and Jingru Zhang 1 Lecture 8 Fall 2009 Based on Textbook Material: Engineering Mechanics Statics, 12 th Edition, R.C. Hibbeler, Pearson 2010.
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440:221 Lectures School of Engineering, Fall 2009 Topics to be covered What is a moment of a force ABOUT A SPECIFIED AXIS? What is it useful for? How do we compute a such moment? Mixed (cross and dot) product, what it is, what is good for? 2
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440:221 Lectures School of Engineering, Fall 2009 Moment of a force about an axis
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440:221 Lectures School of Engineering, Fall 2009 With the force P , a person is creating a moment M A . Does all of M A act to turn the socket? How would you calculate an answer to this question? Let’s think …
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440:221 Lectures School of Engineering, Fall 2009 Sleeve A of this bracket can provide a maximum resisting moment of 125 N·m about the x-axis. How would you determine the maximum magnitude of F before turning about the x axis occurs? Another question …
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440:221 Lectures School of Engineering, Fall 2009 Recall that the moment of a scalar force about any point O is M O = F d O where d O is the perpendicular (or shortest) distance from the point to the force’s line of action . This concept can be extended to find the moment of a force
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This note was uploaded on 09/12/2011 for the course ENG 221 taught by Professor P.sannuti during the Fall '09 term at Rutgers.

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Lecture+08 - 440:221 Intro to Engineering Mechanics:...

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