Hydraulic systems are compared with simple levers but score over them because pressure can travel through:
ACurved lines
BCopper bars
CClosed gears
DCoiled springs
Answer & Solution
Correct answer: A. Curved lines
1. A lever must be rigid and straight.
2. A fluid line can bend around obstacles.
3. So pressure can travel through curved lines.
_Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._
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