Question

Integration is performed from x = 0 to x = l. What does 'x' represent?

Options

• Young's modulus

• Extension at any stage during stretching

• Original length of the wire

• Force applied on the wire

Answer 1

Extension at any stage during stretching

Explanation:

x represents the extension at any intermediate stage during the stretching process, which varies from 0 (no extension) to l (maximum extension).