5-50. 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.
5-50. 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.
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Transcribed Image Text:5-50. 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
F
k
В
C
А
k
10 mm
Prob. 5–50
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