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Density, upthrust and viscous drag
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Forces in fluids and density

Forces in fluids and density

A fluid is a substance that can flow, so liquids and gases are both fluids. An object in a fluid may experience weight downward, upthrust upward, and drag opposite its motion.

Density, upthrust and viscous drag Lesson

  1. A Level
  2. /Physics
  3. /Density, upthrust and viscous drag

Step-by-step lessons on Edexcel A Level Physics Density, upthrust and viscous drag. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons