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JAMB Physics 2004 Question 13

Question 13

Friction

As the pressure of a fluid increases, its viscosity

  1. A.decreases.
  2. B.remains constant.
  3. C.increases then decreases.
  4. D.increases.
Show the answer and explanation

Answer: D (increases.)

Explanation

Squeezing a liquid packs its molecules closer, so it resists flow more: viscosity increases with pressure.