7
QuizMultiple Choice

Liquids — Quiz

Question 7 • Chemistry

Why are liquids well suited for hydraulics?

Answer
A
Liquids change volume easily.
B
Liquids are incompressible.
C
Liquids have few molecules.
D
Liquids have low densities.

Explanation

Hydraulic systems transmit force through a liquid. Because liquids are nearly incompressible, they do not shrink much when pressure is applied, so the pressure is transmitted through the fluid. Therefore, liquids are well suited for hydraulics because they are incompressible.

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