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An orthodontic spring, connected between the upper and lowerjaws, is adjusted to provide no force with the mouth open. When thepatient closes her mouth, however,

An orthodontic spring, connected between the upper and lowerjaws, is adjusted to provide no force with the mouth open. When thepatient closes her mouth, however, the spring compresses by 6.0 mm.What force is exerted if the spring constant is 160N/m?

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