4-19. The rigid metal strip of negligible weight is used as part of an electromagnetic switch. Determine the maximum stiffness k of the springs at A and B so that the contact at C closes when the vertical force developed there is F - 0.5 N. Originally the strip is horizontal as shown. -50 mm -50 mm- 10 mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4-19. The rigid metal strip of negligible weight is used as
part of an electromagnetic switch. Determine the maximum
stiffness k of the springs at A and B so that the contact at C
closes when the vertical force developed there is F - 0.5 N.
Originally the strip is horizontal as shown.
-50 mm
-50 mm-
10 mm
Transcribed Image Text:4-19. The rigid metal strip of negligible weight is used as part of an electromagnetic switch. Determine the maximum stiffness k of the springs at A and B so that the contact at C closes when the vertical force developed there is F - 0.5 N. Originally the strip is horizontal as shown. -50 mm -50 mm- 10 mm
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