A circular steel wire 2.00 cm long must stretch no more than 0.25 cm when a tensile force of 700 N is applied to each end of the wire. What minimum diameter is required for the wire?
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- Length of the wire, L = 2.00 cm = 0.02 m - Maximum stretch, ĪL = 0.25 cm = 0.0025 m - Tensile force, F = 700 N - Young's modulus for steel, E ā 2.0 Ć 10Ā¹Ā¹ N/mĀ² (a typical value for steel) The formula for the elongation of a wire under tensile stress is given Show moreā¦
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