Question

wtat is meant by simple machine

Answer 1

any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever.

Answer 2

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

Lever
Wheel and axle
Pulley
Inclined plane
IWedge
Screw

A simple machine uses a single applied force to do work against a single load force.