4. A Flange has point O as its origin (0,0,0). Calculate the moment about point O of the force vector F1 = -60 i +40 j+20 k lb which has it's point of application located at r1=01+5j+0 kfm from point O. Use the cross product rule M=rxF. Calculate the moment of the force vector F2 = 80 i +40 j-30k lb which has it's point of application at r2=4i+5j-2k ft from point O. Add these two moment vectors to find the resultant moment they create about flange's origin O. Answer in vector form. Now determine the value of this resultant moment about the x axis using the dot product rule.

4. A Flange has point O as its origin (0,0,0). Calculate the moment about point O of the force vector F1 = -60 i +40 j+20 k lb which has it's point of application located at r1=01+5j+0 kfm from point O. Use the cross product rule M=rxF. Calculate the moment of the force vector F2 = 80 i +40 j-30k lb which has it's point of application at r2=4i+5j-2k ft from point O. Add these two moment vectors to find the resultant moment they create about flange's origin O. Answer in vector form. Now determine the value of this resultant moment about the x axis using the dot product rule.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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