The rigid metal strip of negligible weight is used as part of an electromagnetic switch. If the stiffness of the springs at A and B is k = 5 N>m and the strip is originally horizontal when the springs are unstretched, determine the smallest force F needed to close the contact gap at C. 50 mm 50 mm 10 mm A B C k k F Prob. 549

# Answer: The rigid metal strip of negligible weight is used

ISBN: 9780133918922
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Engineering Mechanics: Statics | 14th Edition

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Answer: The rigid metal strip of negligible weight is used