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

Problem 1.1MA

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