A 1 m steel bar is deformed so that it is now 1.1 metres long, while the force is still being applied. Which of the following is true?

Question

Answer

The Poisson ratio tells us how much smaller the cross-section will now be

Answer

The engineering strain in the sample is 10%

Answer

The true strain in the sample is 10%

Answer

The bar will remain exactly the same length once the force is removed

Answer

The sample cross-section will also be thinner than it was originally

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