A stainless steel orthodontic wire is applied to a tooth as, Ask an Expert

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A stainless steel orthodontic wire is applied to a tooth, as shown in the figure above. The wire has an unstretched length of 2.7 cm and a diameter of 0.2 mm. The wire is stretched 0.1 mm. Young's modulus for stainless steel is 1.80E+11 Pa.

1. What is the tension in the wire?

2. What is the magnitude of the force on the tooth due to the wires? Disregard the width of the tooth.

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