This inclined plane is 1 out of the 6 types of energy-saving mechanical. This device is used for the study of ?Force? particularly Newton?s Law; this set consists of inclined plane of dimensions 15x50x2cm. The inclined plane can be adjusted to the maximum limit of 45 degrees, there is a scale which shows the angle and the height of the inclined plane. This set also includes a metal car for the experiment, a rope, a pulley, and weight plates.