At a fixed depth within a fluid at rest, the pressure pushing upward is A) less

Question

At a fixed depth within a fluid at rest, the pressure pushing upward is

A) less than the pressure pushing downward.

B) zero, because pressure only pushes equal in all horizontal direction

C) zero, because the fluid above does not support the weight of the fluid below

D) greater than the pressure pushing downward

E) equal to the pressure pushing downward

Salt water has greater density than fresh water. A boat floats in both fresh water and salt water. Where is the buoyant force greater on the boat?

A) salt water.

B) fresh water.

C) Buoyant force is the same in both.

D) Cannot be determined from the information given

Explanation / Answer

E) equal to the pressure pushing downward
(By Pascal's Law)

A) salt water
(Since, Buoyant force is propotional to fluid density)

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