Physics for IGCSE & O level - Forces And Pressure (Section 5 - No. 29)
In the context of springs, what is the meaning of 'extension'?
The force applied to the spring.
The original length of the spring.
The amount the spring stretches under a load.
The stiffness of the spring.
Explanation
Extension refers to the change in the spring's length due to an applied force.
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