Question

Define a machine. And uses and examples of it ​

Answer 1

Answer:

A machine (or mechanical device) is a mechanical structure that uses power to apply forces and control movement to perform an intended action. ... They can also include computers and sensors that monitor performance and plan movement, often called mechanical systems.

Answer 2

Explanation:

• A machine is a thing that is created by people to make work easier. It is a tool are invention which multiplies the effect of human effort.The machine produces a mechanical advantage. Often a machine will change one form of energy to the other form.Simple machines increases or change the direction of a force.

• uses :- simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Machines take less time to complete the work than the time requires for a man to complete the same work.

• examples:- screw, wheel and axel, lever,pulley,inclined plane ,wedge. etc.