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Question:
A bar has a unknown tensil load. A gauge shows that the strain is 400x10^-5.
Work out the Stress & Tensile Load (there should be an image attached of the beam. Also the Youngs modulus is given as 180GNm^-2, but I believe this is for a later part of the question)
Relevant equations:
The question does not come with any equations, but I believe I have to use the following.
M/I= σ/Y = E/R. However, I never got the hang of using this formula, and so I'm having some trouble.
The attempt at a solution:
So far all of my attempts have come up trumps, mainly because I'm not sure how to use the formula, or if its the correct one to use. Any help is apriciated.
Thanx :D
A bar has a unknown tensil load. A gauge shows that the strain is 400x10^-5.
Work out the Stress & Tensile Load (there should be an image attached of the beam. Also the Youngs modulus is given as 180GNm^-2, but I believe this is for a later part of the question)
Relevant equations:
The question does not come with any equations, but I believe I have to use the following.
M/I= σ/Y = E/R. However, I never got the hang of using this formula, and so I'm having some trouble.
The attempt at a solution:
So far all of my attempts have come up trumps, mainly because I'm not sure how to use the formula, or if its the correct one to use. Any help is apriciated.
Thanx :D