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Safari File Edit View History Bookmarks Window Help O %4) 70% Tue 3:16 PM Allis Adimey E session.masteringengineering.com User Dashboard Mail -allisadi Kn MasteringEngi Real Madrid 4) + session.masteringengineering.com ehw3Problem 4.34 w previous | 4 of 17 | next » MasteringEngi MasteringCom Problem 4.34 Part A My Courses Determine the resultant moment produced by forces F and Fc about point O (Eigure 1) Express the result as a Cartesian vector, Express your answer in terms of the unit vectors i, j, and k for Late Work Course Home rading Policy Scores eText Mo = Study Area Figure 1 of 1 Submit My Answers Give Up Course Materials Continue 6 m Fc- 420 N F-780 ITI 26

Explanation / Answer

moment about x axis Mx = 420*3/sqrt(2^2+3^2+6^2)*6 - 780*2.5/sqrt(2.5^2+6^2)*6

= -720 Nm

moment about y axis My = 420*2/sqrt(2^2+3^2+6^2)*6

= 720 Nm

moment about z axis = 0

moment about O = -720 i + 720 j Nm

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