Types Of Levers
Students will learn about Lever. Lever is a rigid bar and also a simple machine that make work easier. A lever have three parts: fulcrum, effort and load.There are three classes of levers: 1st, 2nd and 3rd class.
Subject: Science |
Grade: 9-12 Author(s): Heba Ezzat Views: 924 |
Favorited: 0 |