Physics for IGCSE & O level - Forces And Pressure (Section 4 - No. 13)
In the context of springs, what is the 'extension'?
The original length of the spring.
The change in length of the spring when a force is applied.
The force applied to the spring.
The mass of the spring.
Explanation
Extension is the amount the spring's length increases when force is applied.
Comments (0)
