Simple Machines
6 different simple machines
What Are Simple Machines
Simple machines is any basic mechanical device for applying force, such as a lever.
A lever is a rigid bar that rotates around a fixed point, there are also three types of levers. Levers are used to help move a heavy firmly fixed load with one end when pressure is applied to the other.
Wheel and Axil
; is a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage. Used to to move heavy loads across ground.
Screw
; is inclined plane that is coiled around a shaft
Wedge is two inclined planes sandwiched together.