Question

Define the term 'simple machines'.

Answer 1

Answer:

several devices with few or no moving parts that are used to modify motion and force in order to perform work..

For ex ..lever ..wedge...screw ..etc ..

Answer 2

Answer:

A simple machine is a mechanical device that changes the direction or magnitude of a force.[2] In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force.[3] Usually the term refers to the six classical simple machines that were defined by Renaissance scientists:

Lever

Wheel and axle

Pulley

Inclined plane

Wedge

Screw

they are call simple machine

hope it help