Extension

Summary: Bungee cords, springs, and even lift cables (wires) all stretch when you apply a force to them. The amount that they stretch is called the extension. Tags: science student-book-7 physics Created: 2026-05-21 Last Updated: 2026-05-21

Extension

Bungee cords, springs, and even lift cables (wires) all stretch when you apply a force to them. The amount that they stretch is called the extension.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Physics/Forces/1.2 Squashing and stretching.md), Physics section.