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15.1 Forces and springs

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Question 30

The table shows the lengths of two objects during a test.

Object	Original length in $cm\mathrm{cm}$	Length under load in $cm\mathrm{cm}$	Length after unloading in $cm\mathrm{cm}$
P	10	16	10
Q	10	16	12

Which describes the distortion?

[1]

P is inelastic; Q has a permanent extension of $cm2\ \mathrm{cm}$ .

P is elastic; Q has a permanent extension of $cm4\ \mathrm{cm}$ .

P is inelastic; Q has a permanent extension of $cm4\ \mathrm{cm}$ .

P is elastic; Q has a permanent extension of $cm2\ \mathrm{cm}$ .

Markscheme

15.1 Forces and springs Questions

GCSE
Physics
15.1 Forces and springs

102 exam-style questions on Edexcel GCSE Physics 15.1 Forces and springs, covering 15.1.1 Elastic and inelastic distortion, 15.1.2 The spring constant, 15.1.3 Work done in stretching a spring, and 15.1.4 Linear and non-linear force–extension. Each one has a worked solution and a mark scheme showing where the marks go.

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