A tensile test is conducted on polypropylene at different load rates (1 mm/min, 10 mm/min, 100 mm/min) and the Young's modulus is determined from the slope and intercept of the obtained curves. Which sentence is correct? The Young modulus increases when the load rate increases The Young modulus can increase or decrease with load rate The Young modulus is the same in the three cases The Young modulus decreases when the load rate increases None of the above sentences is correct

A tensile test is conducted on polypropylene at different load rates (1 mm/min, 10 mm/min, 100 mm/min) and the Young's modulus is determined from the slope and intercept of the obtained curves. Which sentence is correct? The Young modulus increases when the load rate increases The Young modulus can increase or decrease with load rate The Young modulus is the same in the three cases The Young modulus decreases when the load rate increases None of the above sentences is correct

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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