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Pressure and force in fluids; hydraulic lifts and equivalence of work on either side of lift.
Definition; incompressible fluids and dP/dy=-ρg. Pressure in paint cans filled with air and water.
Using dP/dy=-ρ pressure from liquid weight and proportionality to height, density; atmospheric pressure.
Measuring pressure using Pascal's principle; mercury and water barometers.
Cornelius von Drebbel's 5-m submarine; overpressure; compression of evacuated can.
Explanation of manometers; setup for being able to breathe underwater through snorkel tube.
Demonstration of maximum snorkeling depth; drinking from a 5-meter straw.
Pascal's law defined; Archimedes' principle defined (Fb = ρ*g*V); mass density and pressure defined; equation for pressure as a function of depth derived.
Forces involved in air pressure and buoyancy.
Calculating period of oscillation for vertical rod in water given displacement and pressure.
4-part problem; weight before and after rock is lowered into a beaker of water and density of rock; weight after pinning sphere to bottom.