Principle

If a constant torque is applied to a body that rotates without friction around a fixed axis, the changing angle of rotation increases proportionally to the square of the time and the angular velocity proportional to the time.

Benefits


Long runtime

Nearly friction-less movement due to precision bearing

Steady set-up prevents interferences

Data logging reveals instantaneous results during measurement



Tasks


Measurement of the laws of angle and angular velocity according to time for a uniform rotation movement.

Measurement of the laws of angle and angular velocity according to time for a uniformly accelerated rotational movement.

Rotation angle; is proportional to the time t required for the rotation.


What you can learn about


Angular velocity

Rotation

Moment

Torque

Moment of inertia

Rotational energy