1. What is the stress in a wire, 1mm diameter, under a load of 120N? (153Nmm) 2. Calculate the diameter of a steel rod to carry a tensile load of 90,000N if the stress cannot exceed 100Nmm2. (34mm) 3. What pull can be borne by a tie rod, 40mm diameter, if the stress is limited to 120Nmm2? (151 kN) 4. A steel rod, 10mm diameter and 3m long, stretches 1.8mm for a pull of 10,000N. Calculate the value of Young's Modulus for the steel. (212,000Nmm?)

1. What is the stress in a wire, 1mm diameter, under a load of 120N? (153Nmm) 2. Calculate the diameter of a steel rod to carry a tensile load of 90,000N if the stress cannot exceed 100Nmm2. (34mm) 3. What pull can be borne by a tie rod, 40mm diameter, if the stress is limited to 120Nmm2? (151 kN) 4. A steel rod, 10mm diameter and 3m long, stretches 1.8mm for a pull of 10,000N. Calculate the value of Young's Modulus for the steel. (212,000Nmm?)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 51PQ

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