Question

what is meant by the extension of the spring​

Answer 1

Answer:

a closely coiled spring made to resist a force pulling in the direction of its length.

Answer 2

Answer:

$\huge{\green{\bold{\underline{\underline{\overline{\overline{\pink{the\: Answer:-}}}}}}}}$

Explanation:

a closely coiled spring made to resist a force pulling in the direction of its length