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AQA · GCSE · Combined Science · Higher

Meaning of elastic behaviour

Q03.1 1 mark

Figure 5 shows a computer keyboard. There is a spring under each key.

Black-and-white photograph of part of a computer keyboard showing keys; the question states that there is a spring under each key.

Figure 5

Enlarged question image

Black-and-white photograph of part of a computer keyboard showing keys; the question states that there is a spring under each key.
Figure 5

The springs behave elastically when a force is applied.

What is meant by elastic behaviour?

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Marking points

  1. 1 Select the statement that the spring returns to its original length when the force is removed.

Full-mark answer

The spring will return to its original length when the force is removed.

Why this answer loses marks

The spring will become deformed when the force is applied to it.

This describes deformation but does not say that the spring returns to its original length after the force is removed.

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