Topic 1 Pressure

(a)    Define pressure.

(b)   Derive the fluid pressure rule

Topic 2 Archimedes' Principle

Derive Archimedes' principle from the pressure of a fluid acting on a uniform cylinder immersed in a fluid.

Topic 3 Hydrodynamics

Describe Bernoulli's equation qualitatively.

Examples

Typical household water pressure is, in English units, 60 lb/in².
(a) Express this in Pascal.
(b) How high must a water tower be to produce this much pressure?

A ring of mass m is being tested for purity. How much will it weigh under water if it is (a) made of silver and (b) made of gold? Silver weighs 10.5 as much as the same volume of water while gold is 19.3 times as dense as water.

Textbook Problems