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No, due to the fact machines loose energy due to heat/thermal energy. you will always loose some amount of energy.

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Q: Can a simple machine efficiency ever be greater than 100 percent?
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The output work of a simple machine is than input work the machine is said to have less than 100 percent efficiency?

so wut exactly is ur question?


If the output work of a simple machine is than input work the machine is said to have less than 100 percent efficiency?

please rephrase ur question so that it can be understood


What is efficiency of a simple machine?

Efficiency % = (work out / work in) * 100 (Work = force * distance)


What is the efficiency of a simple machine?

Efficiency % = (work out / work in) * 100 (Work = force * distance)


If the output work of a simple machine is than the input work the machine is said to have less than 100 percent efficiency?

input


Why do levers have a greater mechanical efficiency than simple machines?

The transmission lever is very simple and there is no friction.


If the output work of a simple machine equals the input work the machine is said to have efficiency.?

In that case, the efficiency is said to be 1 - or equivalently, 100%.


A simple machine requires this in order to operate?

The mechanical advantage of a compound machine is the multiple of the separate mechanical advantages of each simple machine. The efficiency of the compound machine is also the multiple of the separate efficiencies of each simple machine. So the work in to the first machine multiplied by all of the simple machine efficiencies gives you the work out of the last machine


Levers have a greater mechanical efficiency that other simple machines because?

They have to overcome less friction


The ratio of output force to input force for a simple machine is called its advantage?

The answer is mechanical advantage, not efficiency!


Explain efficiency and how to calculate it for different simple machines?

Efficiency means to calculate that is the machine is efficient enough to save your bill or use less electricity. To calculate the formula is:Efficiency = Energy output (what is the machine producing) divided by Energy input (what is the machine taking or using).


Why can't the force that comes out of a machine be greater than the force that goes into a machine?

It sure can. A machine as simple as a lever can produce an output force that is greater than the input force. Perhaps you are confusing "force" with "energy"?