*4-12. The rigid metal strip of negligible weight is used aspart of an electromagnetic switch. If the stiffness of thesprings at A and B is k -5 N/m and the strip is originallyhorizontal when the springs are unstretched, determine thesmallest force Fneeded to close the contact gap at C.-50 mm-50 mm10 mm

Draw the FBD of the beam. ΣMB = 0FA50 mm-FC50 mm = 0FA= FC.......(1)ΣFV = 0FA-FB+FC = 02FA =FB…

Answered: *4-12. The rigid metal strip of…

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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Q2/ The 10-mm-diameter bolt is made of an aluminum alloy. It fits through a magnesium sleeve that has an inner diameter of 15 mm and an outer diameter of 25 mm. The original lengths of the bolt and sleeve are 80 mm and 50 mm, respectively. If after the nut on the bolt is tightened the tension in the bolt is 10 kN, determine the change in dimension of the cross-section of the bolt and the sleeve. Assume the material at A is rigid. E = 70 GPa, Emg = 45 GPa, Ga 26 GPa, Gmg= 17 GPa. 50 mm 30 mm
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DRAW THE REACTION FORCES IF THE 400N IS APPLIED AND ALL THE JOINTS ARE CONNECTED BY RIGID PINS

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