Multiple choice

The hydraulic brake used in automobiles is a direct application of _____.

  1. Bernoulli's theorem

  2. Toricellian law

  3. Pascal's law

  4. Archimedes' principle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hydraulic brakes work on Pascal's law, which states that pressure applied to an enclosed fluid is transmitted undiminished to all parts of the fluid. A small force on the brake pedal creates large force at the wheels through pressure transmission.

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