(a)Describe, with a labelled diagram, how you would measure accurately the extension of such a wire under an applied load. (b) The graph below shows how the extension of a wire varies with the load applied to it. The wire used has a length of 3m and a diameter of 5 x 10^-4m i. Calculate the tensile stress produced by a load of 50N. ii. Find the energy stored in the wire when the load is acting. iii. Calculate the reduction in gravitational PE of a 5kg mass used to provide the load. iv. Calculate Young's modulus for the metal of the wire.
(a)Describe, with a labelled diagram, how you would measure accurately the extension of such a wire under an applied load. (b) The graph below shows how the extension of a wire varies with the load applied to it. The wire used has a length of 3m and a diameter of 5 x 10^-4m i. Calculate the tensile stress produced by a load of 50N. ii. Find the energy stored in the wire when the load is acting. iii. Calculate the reduction in gravitational PE of a 5kg mass used to provide the load. iv. Calculate Young's modulus for the metal of the wire.
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter9: Automotive Engine Designs And Diagnosis
Section: Chapter Questions
Problem 13RQ: The stroke of an engine is the crank throw half twice four times equal to
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Question
(a)Describe, with a labelled diagram, how you would measure accurately the
extension of such a wire under an applied load.
(b) The graph below shows how the extension of a wire varies with the load
applied to it. The wire used has a length of 3m and a diameter of 5 x 10^-4m
i. Calculate the tensile stress produced by a load of 50N.
ii. Find the energy stored in the wire when the load is acting.
iii. Calculate the reduction in gravitational PE of a 5kg mass used to provide
the load.
iv. Calculate Young's modulus for the metal of the wire.
Transcribed Image Text:Extension/mm
3
10
20
30
40
50
60
Load/N
2.
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