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In the Maxwell's Wheel Demonstration for physical science and physics, demonstrate the relationship between potential and kinetic energy, linear momentum, angular momentum, nearly-elastic collisions, inertia, and torque.

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Is this wheel defying gravity? Wrap the cord around the bar, release the wheel, and then watch it fall and climb right back up! Demonstrate the relationship between potential and kinetic energy, linear momentum, angular momentum, nearly-elastic collisions, inertia, and torque. Maxwell’s wheel is a an axle-mounted flywheel suspended at both ends by a nylon cord. When the wheel is dropped, gravitational potential energy is converted to kinetic energy. The jerk when the wheel reaches the bottom reverses the linear momentum causing the wheel to wind back up. A small amount of energy is lost each time due to the friction of the nearly-elastic collision that occurs when the wheel jerks at the bottom. Studying the conservation of energy is unforgettable with this mesmerizing demonstration! 17½" H, 5" dia.