Discusses the principles of levers, a type of simple machine that helps lift heavy loads by changing the direction or magnitude of force applied. It explains how the position of the fulcrum affects ...

Throughout history, humans have developed several simple machines to make work easier. The most notable of these are known as the "six simple machines": the wheel and axle, the lever, the inclined ...

Look how easy biscuits are to lift with the use of a simple lever! A lever is a simple machine that is used to help lift objects. Levers are used in everyday life to help us lift, move, squeeze, break ...