A steel bar 100 mm long and having a square cross section 20 mm on an edge is pulled in tension with a load of 89,000 N and experiences an elongation of 0.10 mm. Assuming that the deformation is entirely elastic, calculate the elastic modulus of the steel? A. 150 GPa B. 223 GPa C. 320 GPa D. 250 GPa

A steel bar 100 mm long and having a square cross section 20 mm on an edge is pulled in tension with a load of 89,000 N and experiences an elongation of 0.10 mm. Assuming that the deformation is entirely elastic, calculate the elastic modulus of the steel? A. 150 GPa B. 223 GPa C. 320 GPa D. 250 GPa

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.1P: The rails of a railroad track are welded together at their ends (to form continuous rails and thus...

See similar textbooks

Similar questions

A tensile force of 100 kN is applied on a 0.02-m diameter and 2-m long rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length increases to2.01 m. The true axialstrain is?
A steel bar of 5 mm is heated from 15° C to 40° C and it is free to expand. The bar Will induce A. no stress B. shear stress C. tensile stress D. compressive stress
What is the value of shear stress acting on a plane of circular bar which is subjected to axial tensile load of 100 kN? (Diameter of bar = 40 mm , θ = 42.3°) a. 58.73 Mpa b. 40.23 Mpa c. 39.60 Mpa d. Insufficient data
A steel bar, the material of which is S355 J2 G3, binds two walls together. Pre-tensioning in tie bar 4.3 kN. The temperature of the rod increases by 15 °C. Calculate the normal stress in the cross section of the bar. L = 600 mm, α = 12μ 1/°C, E = 200 GPa and d = 25 mm . Give the answer in MPa as a whole number as a numerical value only. Correct answer to exercise should be = -27
A metal bar 5.0 m long extends by 0.05 mm when a tensile load is applied to it. The percentage strain is:
A steel column is a cylinder 6.8 m long and 0.35 m in diameter. What is the change in length of the column when it experiences a tensile stress resulting from the application of a 3600 N force? The elastic modulus for steel is 20 × 1010 Nm2/kg2. ΔL = m
A square bar of wrought iron, 2 inches on each side, is raised to a temperature of 100 deg F above its normal. If held so that it cannot expand, K = 6.8 x 10-6 per deg F. What is the force necessary to prevent expansion? The modulus of elasticity E may be taken as 30 million psi. ( Answer : 81,600 lb)
1. A circular rod of diameter 20mm and 500mm long is subjected to atensile force 50kN. The modulus elasticity for steel may be taken as 200kN/??2. Find stress and strain due to applied load.
The figureshows a copper rod that is placed in an aluminum tube. The rod is 0.005 in. longer than the tube of length L = 10.77 in. Find the maximum safe load P (in lb with four decimal places) that can be applied to the bearing plate, using the following data: area of copper = 2.09 sq, in. area of aluminum = 3.13 sq, in. E of copper = 17082712 ksi E of aluminum = 10068197 ksi allowable stress for copper = 19884 ksi allowable stress for aluminum = 10200 ksi
A cylindrical bar of metal having a diameter of 18.8 mm (A=278 mm^2) and a length of 198 mm is deformed elastically in tension with a force of 49400 N. Given that the elastic modulus and Poisson's ratio of the metal are 67.1 GPa and 0.34, respectively, determine the amount by which this specimen will elongate (in mm) in the direction of the applied stress.
A bar is subjected to fluctuating tensile load from 20 kN to 100 kN. The material has yield strength of 240 MPa and endurance limit in reversed bending is 160 MPa. According to the Soderberg principle, the area of cross-section in mm2 of the bar for a factor of safety of 2 is (A) 400 (B) 600 (C) 750 (D)1000
A circular aluminum alloy [E = 70 GPa; α = 22.5 × 10–6/°C; ν = 0.33] pipe has an outside diameter of 205 mm, a wall thickness of 11 mm, and a length of 4.2 m. The pipe supports a compressive load of 615 kN. After the temperature of the pipe drops 48°C, determine:(a) the axial deformation of the pipe.(b) the change in diameter of the pipe.