2. Who invented wheel and axle
Ans : Blaise Pascal he is French mathematician at 17 century.
What is wheel and axle
Ans : A simple machine which can carry very weight and makes friction less.The wheel is where we
put the force or where the force reacts. A axle is the middle part of wheel which helps to rotate
the simple. machine
How it works
If we rotate the axle the wheel and axle could work or when we rotate the wheel , it depends on
the wheel and axle which we use.
