An ideal machine is that where there is no loss of energy i.e. the work output is equal to the work input. An ideal machine is 100% efficient.
In a practical machine output energy is always less than the input energy.
An ideal machine is that where there is no loss of energy i.e. the work output is equal to the work input. An ideal machine is 100% efficient.
In a practical machine output energy is always less than the input energy.