I can measure the extension of a spring and describe its properties as it increases in length.
I can measure the extension of a spring and describe its properties as it increases in length.
Extension - The increase from the original length of a spring when it is stretched.
Elastic deformation - The stretch of a spring that returns to its original shape when the stretching force is removed.
Inelastic deformation - The stretch of a spring as it is permanently stretched out of shape.
Limit of proportionality - The largest extension of a spring before it is stretched out of shape.
Extension is the extra amount the spring has stretched when a bigger force is applied.
Ensure pupils fully remove each hanging mass between measurements so they see the extension of the spring from its original length each time.
Apparatus to measure the extension of a 'Hooke's Law spring' to destruction with hanging masses of 12.0 N in 1.0 N increments.
Adult supervision required
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extension - the difference between the spring's stretched and unstretched length
elastic deformation - a reversible (temporary) change in length of a spring
inelastic deformation - a permanent change in length of a spring
