Question

TYPES OF MACHINES
Machines are of two types - simple
machines and complex machines
The machines that consist of few or ne
moving parts are called simple machines
A bottle opener, a knife, a ramp and a wheel are some examples of simple machines ​

Answer 1

Answer:

A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage to multiply force.