You don't. Such an efficiency can be less than 1, but it can't be greater than 1.
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%
The mechanical advantage of a pulley can be greater than 1.The efficiency cannot but that is a different matter.
9
No. That would violate Conservation of Energy, so it follows that it isn't possible.
The length of a rectangle is greater than its width and it has 2 pairs of parallel sides with 4 interior right angles.
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.
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%
why efficency is greater than 1 in case of compound lever
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.
The transmission lever is very simple and there is no friction.
All even numbers greater than 2 are composite.
9
The efficiency of a Carnot engine is theoretically always greater than that of an actual engine. The fact that it is impossible to build a thermodynamically reversable engine, which is one of the variables necessary to calculate its superiority to a real heat engine, makes the theorum practical for assessing a real heat engines efficiency only.
Efficiency can never be greater than one because it is the ratio between work you got out of the system and the total energy. Because of conservation of energy, the equation ΔE = Q + W reduces to Q + W = 0.
Not if the laws of physics - specifically thermodynamics - are correct.