A simple inclined plane made of polished hardwood board hinged at one end to wooden base board.
A 38mm plastic pulley is mounted on one end of the inclined plane which supports masses suspended from the thread with other end tied to the object under observation
The index pointer fixed to the inclined surface moves along the arc scale attached to the baseboard and gives its angle of inclination
Includes two wooden block sliders for friction experiments, one metal roller in bracket with hook, one weight pan with lightweight cord for suspension
