The video explains about different simple machines like screw, wedge and lever. It describes about different types levers with real-life examples. It also shows the benefits of using different simple machines as lever, inclined plane etc.\rbrNext, learn about simple machine and know about inclined plane, wheel and axle and pulley, watch: \rbr\rbrAbout us: We are a social enterprise working on a mission to make school learning interesting, relevant and affordable to every child on this planet. \rbrYou can watch our FREE online videos at and download our price applicationgames - just visit \rbrIf you like our videos, subscribe to our channel Feel free to connect with us at OR \rbrHave fun, while you learn.