5.6 A vertical close-coiled helical compression spring must have a stiffness of 900 N/m under a load of 45 N and the maximum shear stress induced due to this load is to be 120 MPa. With the spring fully compressed the vertical height over the coils is 45 mm. Calculate (a) the wire diameter; (b) the mean coil diameter; and (c) the number of coils (G = 40 GPa). (3,22 mm; 34,96 mm; 13,97]
5.6 A vertical close-coiled helical compression spring must have a stiffness of 900 N/m under a load of 45 N and the maximum shear stress induced due to this load is to be 120 MPa. With the spring fully compressed the vertical height over the coils is 45 mm. Calculate (a) the wire diameter; (b) the mean coil diameter; and (c) the number of coils (G = 40 GPa). (3,22 mm; 34,96 mm; 13,97]
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Please help with question 5.6
![5.6 A vertical close-coiled helical compression spring must have a stiffness of 900
N/m under a load of 45 N and the maximum shear stress induced due to this
load is to be 120 MPa. With the spring fully compressed the vertical height
over the coils is 45 mm. Calculate (a) the wire diameter; (b) the mean coil
diameter; and (c) the number of coils (G = 40 GPa).
%3D
[3,22 mm; 34,96 mm; 13,97]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F448942be-30a8-4a16-8a0d-9a7c9f4daa9f%2F917ff98f-9e4e-46b9-8f08-4ee6e3086b53%2Flsg8yc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5.6 A vertical close-coiled helical compression spring must have a stiffness of 900
N/m under a load of 45 N and the maximum shear stress induced due to this
load is to be 120 MPa. With the spring fully compressed the vertical height
over the coils is 45 mm. Calculate (a) the wire diameter; (b) the mean coil
diameter; and (c) the number of coils (G = 40 GPa).
%3D
[3,22 mm; 34,96 mm; 13,97]
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