For investigating sliding friction. Consisting of a plane board hinged at the base at one end, with a pulley for the force cord at the other end. The inclination of the plane is variable and is locked into position by means of a screw clamp with pointer. Clear increments reflect the selected angle on the attached angle measuring plate. Complete with scale pan and two slides and 75mm x 25mm metal roller. Board dimensions 600mm x 75mm.
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