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Archimedes' principle; buoyant force definition; density from displaced volume with example.
Density condition for flotation; position of center of mass required for buoyant stability; avoiding capsization.
Condition for balloon to float; balloon in accelerating compartment with air.
In accelerating chamber, an apple is pulled opposite to motion, while balloon is pulled parallel to motion.
General properties of fluids; temperature defined; heat and temperature; pressure defined; pressure versus height; buoyancy forces; Bernoulli's equation.
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.
2 short qualitative problems asking about a rock thrown from a boat and melting ice.
Calculating density of wood and oil from percent submersion.
Calculating period of oscillation for vertical rod in water given displacement and pressure.
Comparing the force needed to support an object in air and water.
Buoyant force acting on a hollow cylinder containing a person.