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Maxwells Pendulum
Product Code: SUK-SCHOOL-SSLAB-N9000044
Description & Specifications
Maxwells Pendulum
Technical Specification
The falling and rising motion are repeated more than once with a period
that depends on the initial height difference h, on the acceleration due
to gravity g and on the relationship between the radius of the wheel
and the radius of its pivot.
Maxwell’s pendulum consists of a wheel hanging by two wires which are
wound in the same direction on an axis passing through its center of
gravity.
It slowly comes down (low kinetic translation energy).
If there were no friction, it would go up to the initial level of its fall.
It rotates rapidly (high kinetic rotary energy).
After the wires have been unwound, the wheel goes on rotating rewinding the wires on its axis and coming back up.
Once released, the wheel comes down under the action of its weight, but it is forced to rotate in order to unwind the two wires.
At the end of the fall the total kinetic energy, not considering the
losses, has to be equal to the gravitational energy supplied at the
beginning.
Through the position sensor it possible to evaluate at which speed the
wheel gets to at the end run the point and to perform accurate
measurements.