Simple Machines

A wedge is a simple machine that is used to split or cut objects apart. It has a thick end and a thin edge, like an axe.

A lever is a simple machine that helps lift or move heavy objects. It consists of a bar that pivots on a point called the fulcrum.

A screw is a simple machine that is an inclined plane wrapped around a rod. It is used to hold things together or lift objects.

A wheel and axle is a simple machine that consists of a wheel attached to a rod (axle). It helps in moving heavy objects easily.

An inclined plane is a flat surface that is tilted at an angle. It helps in raising or lowering objects with less effort.

An example of a wedge is a knife or an axe.

An example of a lever is a seesaw or a crowbar.

An example of a screw is a jar lid or a wood screw.

An example of a wheel and axle is a bicycle or a doorknob.

A pulley is a simple machine that helps lift heavy objects by changing the direction of the force applied.