I keep getting “Viscosity” questions wrong in Mechanical Properties of Fluids. What's the trap?
assuming all fluids flow equally easily.
The usual trap: assuming all fluids flow equally easily. How to avoid it: honey is more viscous than water — it resists flow more. Go back to the definition — the internal friction of a fluid that opposes relative motion between its layers.
Key point
Viscosity
Common mistake
assuming all fluids flow equally easily.
Memory tip
honey is more viscous than water — it resists flow more.
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