Mechanics (WME) Modelling Assumptions Revision Note
Hestia Laurent
Meta description — Modelling Assumptions (Edexcel IAL Mechanics 1):
Concise guide to key modelling assumptions: particles, rods, uniform bodies, light/inextensible strings, smooth/rough surfaces, and pulleys. Designed for Edexcel IAL Mechanics 1 (WME01/01) to aid in applying correct assumptions in problem-solving. 
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