Simple Machines ( рычаг и др.)

Visit ,one of the best Indian education website for children. 1st thing to understand a machine is to know that it is a tool used to make work easier In that sense,simple machines are simple tools used to make work are 6 basic types of simple machines:pulley, lever, wheel & axle, wedge, inclined plane and this easy-to-understand video,children can learn all about simple machines in fun way.