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AEM 2021 (59)
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Lecture 13

# AEM 2021 Lecture 13: 3D Supports that can Exert Optional Couples 2-13-17 Premium

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School
University of Minnesota Twin Cities
Department
Aerospace Engineering and Mech
Course
AEM 2021
Professor
Hesla Todd
Semester
Spring

Description
3D Supports that can Exert Optional Couples 2-13-17 Hinge or Bearing Note: allows rotation about x axis → no reaction couple about x axis. Prevent rotation about y or z? Maybe Answer Yes, if another support at B → no need for A to prevent rotation about y or z → no reaction couple (at A) about y or z. No reaction couple (at A) about y or z. If there is, the hinge A must prevent rotation about y,z. Example 4.114 without Bearing D Where the unknowns are Cx,Cy,Cz,T,Mcy,Mcz 6 equations equilibrium. Center of Gravity (2D) Point where the weight of a body could be concentrated → resultant of all individual weights of body element. Weight becomes in reality a system of t
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