Specifications: This set is used for the study of Centripetal Force of an object which has an effect of the pull of the rope on the plane. The core is placed vertically and is made of metal which is 80 cm above the base. There are 4 springs attached to metal arm on a base of dimensions 50x27x22 cm. When the object is spun, it will be able to fly for a short period of time. The base is made of wood covered with Formica plastic.