Exploratorium
Balancing Stick
Have some physical science fun when studying the center of gravity or center of mass. Simply have balancing artists stand a dowel on one finger and keep it from falling over! A lump of clay is added and moved up along the dowel over a...
Curated OER
Perpetual Motion
Students are introduced to the concept of Energy Conservation with the example of: Tony Hawk seems to defy the conservation of energy as he keeps reaching new heights on each pass on the halk-pipe. Actually, Tony is supplying the extra...
Curated OER
Perching Parrot
Students explore the concepts of center of mass and static equilibrium by seeing how non-symmetrical objects balance. They also analyze why all forces on an object must cancel out exactly for an object to be stationary.
Curated OER
Robots from Junk
Young scholars create balloon and rubber band models of robotic rovers to investigate the concepts of mass, torque, and friction. Through research and planning, students construct a rover test-bed that simulates the Martian environment.
Texas Instruments
Texas Instruments: Numb3 Rs: Maintaining Balance
Based off of the hit television show NUMB3RS, this lesson has students determine center of mass for a series of objects (approximate JENGA blocks), and then to push each level so that it "hangs over" the level below it. Following this,...
Paul Dawkins
Paul's Online Notes: Calculus Ii: Applications of Integrals
The resource examines applications of integration. Topics investigated are arc length, surface area, center of mass, hydrostatic pressure, and probability density functions. Class notes, definitions, and examples with detailed solutions...
Physics Aviary
Physics Aviary: Practice Problems: Find Mass With Torque
Determine the unknown mass that is being balanced by a known mass for a meter stick balanced at its center of mass (50.0 cm mark).
Physics Aviary
Physics Aviary: Practice Problems: Find Mass With Torque Hard
Determine the unknown mass that is being balanced by two known masses for a meter stick balanced at its center of mass (50.0 cm mark).
