2) The extension spring shown in figurehas full-twisted loop ends. The materialInside dia. 50 mmis BS 5216 Grade 2. The spring has 84coils and is close-wound with a preloadof 80 N.a) Find the closed length of the spring.b) Find the torsional stress in the spring5 mmcorresponding to the preload.c) Estimate spring rate.5 mmd) What load would cause permanentdeformation?e) What is the spring deflectioncorresponding to the load found in partSunning length= 100 mmAssembled length= 180 mmFree length= 200 mm

(a) no. of coils in spring, n=84 Dia. of wire, d =5mm inside dia. of spring coil, Di =50mm…

2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2. The spring has 84 coils and is close-wound with a preload of 80 N. a) Find the closed length of the spring. b) Find the torsional stress in the spring corresponding to the preload. c) Estimate spring rate.

2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2. The spring has 84 coils and is close-wound with a preload of 80 N. a) Find the closed length of the spring. b) Find the torsional stress in the spring corresponding to the preload. c) Estimate spring rate.

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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