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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.
Objects moving through fluids experience drag forces that resist their motion. These forces increase with speed until an object reaches its terminal velocity, according to Newton’s laws of motion. Fluid flow can be either laminar or turbulent, depending on the flow speed and the viscosity and density of the fluid.
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