One end of a spring is fixed and a force FFF is applied to its other end, resulting in an extension xxx. The elastic potential energy stored in the extended spring is EEE. The spring obeys Hooke's law.
What is the applied force FFF in terms of EEE and xxx?
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Markscheme
Materials Questions
15 exam-style questions on OCR A A Level Physics Materials, covering Springs and Mechanical properties of matter. Each one has a worked solution and a mark scheme showing where the marks go.