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Grade: 12th pass

                        

A BREAKING STRESS OF THE MATERIAL OF A WIRE IS 10 2 N/M 2 . THE MAXIMUM LENGTH OF THE WIRE FOR WHICH IT BREAKS UNDER ITS OWN WEIGHT WILL BE (DENSITY OF MATERIAL IS 2 X 10 3 KG/M 3 )?

6 years ago

Answers : (2)

Vasantha Kumari
askIITians Faculty
38 Points
							
181-877_Breaking stress.JPG
6 years ago
Yash Chourasiya
askIITians Faculty
246 Points
							Dear Student

Here the weight of the wire will be ALρg
Stress due to its weight = W/A = Lρg
Therefore, Breakdown Stress = Lρg
8 * 106 = L * 2*106 * 9.8
L = 40*10-2 m

I hope this answer will help you.
Thanks & Regards
Yash Chourasiya
4 months ago
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