You don't. Such an efficiency can be less than 1, but it can't be greater than 1.
i think both will be same..
No, an efficiency greater than one would not be possible, since that would violate a very fundamental law of physics: conservation of energy. The efficiency of an "ideal machine" would be one, in many cases; the efficiency of an ideal Carnot engine would be less than one.
why efficency is greater than 1 in case of compound lever
Efficiency cannot be greater than 100% because efficiency measures energy, and since energy is not made, only transfered (conservation of energy) then we cannot gain energy. Hence the energy out must be at most the energy in. Thus efficiency can be at most 100%
nope, efficiency o fa machine cannot be greater than 100%...theoretically it shows sometime that efficiency of a machine can be 100%, but practically it cannot be possible as there is some loss of energy is always involved in different ways.
The mechanical advantage of a pulley can be greater than 1.The efficiency cannot but that is a different matter.
Efficiency is defined as output power divided by input power.The efficiency of a heat engine - for specific temperatures - cannot be greater than the efficiency of the theoretical Carnot engine.
The transmission lever is very simple and there is no friction.
The transmission lever is very simple and there is no friction.
9
All even numbers greater than 2 are composite.
The transmission lever is very simple and there is no friction.