Рет қаралды 5,859
Simple Machines
Levers
A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types.
1st class lever
2nd class lever
3rd class lever
Also follow here:
Facebook: geniuscience
Instagram: geininus