Question

A steel rod used for brake operation is 1.50 m long.When it is subjected to a tensile force the extensionproduced is 0.5 mm. Find the strain in the rod.

1. 0.00035
2. 0.0003
3. 0.0004
4. 0.00025
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Answer 1

Answer:

The correct answer is option b

2. 0.0003.