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Here is a problem on multi step calculations which is a crucial part of solving problems in A Level Physics. This is of course applicable to all exam boards including AQA A level Physics, OCR A and B, Edexcel, CIE and similar courses such as AP Physics, IB Physics etc.
A similar problem has appeared in AQA however even trickier as it used Young's modulus.
The problem uses the principle of moments and springs and materials. I hope it is useful to practice multi step calculations.
I hope this is useful as an A level Physics problem and solution.