Because it makes our job much much more easyier
the purpose of having a simple machine is to make life easier
because they are very important to the world and we use them everyday such as a wheel and axle that are used on doorknobs.
Simple machine helps us to increase the power and force for change.
The most important simple machine is often considered to be the lever. A lever can help to amplify force, allowing us to lift heavy objects with less effort. It is found in many tools and machines, making it a fundamental component of various mechanical systems.
the wheel
An airplane is not a simple machine. A lever is a simple machine. A wheel is a simple machine. Any machine that can be described by a mathematical formula is a simple machine.
It is a wheel and axle.
A pulley isn't a kind of simple machine, it is a simple machine
simple machine
Its a simple machine which can crush any complex machine
yes it is a simple machine... the wind blowing on the wheel and axle makes it a simple machine
yes , its a simple machine