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The effective handle length of a wrench is 30 cm. The bolt is made of grade 5 steel. What is the minimum diameter of the bolt that can be tightened with this tool if a force of 50 N is applied and you want to respect a safety factor of 6 on the bolt?

The effective handle length of a wrench is 30 cm. The bolt is made of grade 5 steel. What is the minimum diameter of the bolt that can be tightened with this tool if a force of 50 N is applied and you want to respect a safety factor of 6 on the bolt?

Elements Of Electromagnetics
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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The effective handle length of a wrench is 30 cm. The bolt is made of grade 5 steel. What is the minimum diameter of the bolt that can be tightened with this tool if a force of 50 N is applied and you want to respect a safety factor of 6 on the bolt?

 
 Answer: 9.04mm
Tableau B.2: Propriétés physiques de quelques boulons et rivets SAE grade 1 SAE grade 2 qualité douteuse SAE grade 5 ASTM-A 325 qualité commune SAE grade 8 ASTM-A 345 qualité supérieure Rivet (commun) Ou MPa E Tu MPa GPa 448 336 827 620 207 207 Rivet (qualité supérieure) 517 389 393 295 200 200 G GPa 79 1034 775 207 79 79 79 79 α ×10-6 °C 11,7 11,7 11,7 10,7 11,7
Transcribed Image Text:Tableau B.2: Propriétés physiques de quelques boulons et rivets SAE grade 1 SAE grade 2 qualité douteuse SAE grade 5 ASTM-A 325 qualité commune SAE grade 8 ASTM-A 345 qualité supérieure Rivet (commun) Ou MPa E Tu MPa GPa 448 336 827 620 207 207 Rivet (qualité supérieure) 517 389 393 295 200 200 G GPa 79 1034 775 207 79 79 79 79 α ×10-6 °C 11,7 11,7 11,7 10,7 11,7
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