Question

How simple machines are useful for us?

Answer 1

simple machines used in every day life to make work easier. Machines make work easier by changing the size of force, direction of force, or distance the force acts on. The wheel and axle make work easier by changing the distance

Answer 2

simple machine are useful for us because they do so many helpful works and easily.
it's do many more work so whatever we need...
1. it's works very faster than a man.
example: computer is a type of machine.
we do so many works through computer
2.communication : can be imagine living in this world without any communication with people around us?
no
so we need a telephone, mobiles, televisions, computers, radio many more....... so all human brings live together in this world..
they need a simple machines with communication with peoples...
it's small help from me