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What does Pascal's principle say an enclosed fluid transmits undiminished?

It transmits an applied change in pressure.

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  1. Only the input force
  2. Only the displaced volume
  3. The change in pressure ✔

Why: An enclosed fluid passes an applied pressure change throughout itself and to its walls. The principle concerns the change, not equal total pressure at every height.

Huh, didn't know that: Hydrostatic pressure can still differ between the top and bottom while the added pressure change is the same everywhere.

The dad joke
Pascal shared pressure because he could not keep it bottled up.
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References

Answer: The change in pressure. An enclosed fluid passes an applied pressure change throughout itself and to its walls. The principle concerns the change, not equal total pressure at every height.

  1. OpenStax University Physics Volume 1, Pascal's Principle and Hydraulics openstax.org/books/university-physics-volume-1/pages/14-3-pascals-principle-and-hydraulics
    when a change in pressure is applied to an enclosed fluid, it is transmitted undiminished to all portions of the fluid
    Checked 2026-10-10.

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