Tuesday, 17 June 2014 11:31

F2-04: BUOYANCY - SPHERE AND WATER

• ID Code: F2-04
• Purpose: Challenge the students' thinking about the buoyant force by considering the question: "Will a round object, without a flat top and bottom surface, experience a buoyant force, as does a cylinder?"
• Description: A round steel ball and a hollow metal can hang from the scale. The pressure is always normal to the surface of a body and increases linearly as the depth increases. When the steel ball is immersed it too experiences a buoyant force, because the upward vertical component of pressure applied to the lower hemisphere is greater in magnitude than the downward vertical component of the pressure exerted on the upper hemisphere.
• Availability: Available
• F2-01 ARCHIMEDES' PRINCIPLE

Demonstrates the buoyant force on a body submerged in a fluid to be equal to the weight of the displaced Read More
• F2-02: CARTESIAN DIVER

Demonstrate a variety of fluid mechanics phenomena, including the compressibility of a gas, the incompressibility of water, Boyle's law, Pascal's Read More
• F2-03: CARTESIAN DIVER - EXPLICIT VERSION

Demonstrate explicitly how a Cartesian diver works by showing how the water enters the diver when the pressure in the Read More
• F2-04: BUOYANCY - SPHERE AND WATER

Challenge the students' thinking about the buoyant force by considering the question: "Will a round object, without a flat top Read More

• F2-07: BUOYANCY - PEPSI AND DIET PEPSI

Show the difference in density between soft drinks with and without sugar. Read More
• F2-08: BUOYANCY - BATTLESHIP IN BATHTUB

Illustrate Archimedes' Law in a counterintuitive manner. Read More
• F2-10: BUOYANT BUBBLES

Demonstrate buoyancy and diffusion in an interesting way. Read More
• F2-11: HYDROMETER

Measure the density of a liquid. Read More
• F2-12: HOT AIR BALLOON

Show that hot air is less dense than cold air by operating a hot air balloon. Read More
• F2-13: BOUYANCY - EXPANDING BALLOON CONUNDRUM

Conundrum involving weight of an expanding balloon. Read More
• F2-21 REACTION TO BUOYANT FORCE

Demonstrates the reaction force using a liquid. Read More
• F2-22: BUOYANCY PARADOX - ACCELERATED FRAME

Illustrate dramatically the concept of buoyancy. Read More

• F2-26: BUOYANCY PARADOX - BALL IN TWO LIQUIDS

Demonstrate buoyancy with a counterintuitive element. Read More

• F2-31: BUOYANT BALLS IN BEANS

Illustrate buoyancy in a surprising way. Read More
• F2-32: FLOATING SQUARE BAR

Illustrate buoyancy and the orientation in which a long square bar floats in a very dramatic way. Read More
• F2-41: DENSITY - SLOPE OF MASS VS VOLUME GRAPH

Determine the density of water. Read More
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