A simple machine is the wheel, build one by cutting a perfectly round shape and fixing a rod through its centre to act as an axle.
The simplest machine is a lever.
by inventing it
they use the simple machine.
The lever.
with stuff around the house
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.
A pulley isn't a kind of simple machine, it is a simple machine
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
A baseball is not a simple machine
yes , its a simple machine