Physics for IGCSE & O level - Forces And Pressure (Section 1 - No. 22)
What describes the relationship between force applied to a spring and its extension, within its elastic limit?
The force is inversely proportional to the extension.
The force is unrelated to the extension.
The force is proportional to the extension.
The force is equal to the extension.
Explanation
Within the elastic limit, force and extension are directly proportional (Hooke's Law).
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