|Use this inclined plane to determine the relationship between
accelerating force and angle of inclination. The angle of
inclination can be easily adjusted. This versatile and tough
steel inclined plane includes a graduated protractor and an
adjustable pulley. Incline is 4" wide x 23"
long. Includes a 14 oz. roller that can be used as a vehicle
on the plane or as a counterweight. Also includes a pan and
cord for masses. Complete with a detailed activity guide.
Replacement roller is available separately.