Figure 1 Afishplate used to join sections of rail track
The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.
If a metal rail track is not free to move, temperature changes produce stress that can cause fracture. The force on the rail can be calculated using the material’s Young modulus and coefficient of thermal expansion.
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