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Some work is lost due to friction. This energy is normally released as heat.

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Samuel Ziddah

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Some work is lost due to friction. This energy is released as heat

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Cephas Mulenga

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Due to conversion of energy to heat

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Q: Why is the efficiency of a machine is always less than 100 percent?
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Why a normal machine could not have the mechanical efficiency of 100?

Because there is always going to be friction, the efficiency of any machine will always be less then 100 percent.


Does an ideal machine have an effciency of 100 percent?

No, there is not such thing as an ideal machine; it's just an idea.


The efficiency of an actual machine is always less than what percent?

It is always less than 100% Theoretical machines can have efficiencies of 100% but in practice there is always some energy loss Efficiencies of more than 100% are not allowed by the laws of thermodynamics!


Explain why the amount of work that a machine does is less than the amount put into the machine?

Output work is always less than input work.


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


What is meant by efficiency of a machine?

It is the output energy compared to the input energy. This will always be less than 100%


How does effieciency of the machine affects it's performance?

if a machine is not efficient, it cannot fully utilise its performance. actual performance = efficiency x possible performance efficiency = actual performance / possible performance efficiency is always a decimal number less than 1, as no machine is perfect in terms of efficiency


What is the relationship between friction and efficiency of a machine?

The relationship between friction and the efficiency of a machine is when friction increases, efficiency decreases, and vice versa. That is why you can never have 100% efficiency, because there is always at least a little friction. They are inversely proportional, meaning, higher friction equals less efficiency.


What is a machine with efficiency of less than one?

no machine has one


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?


Describe why a high-efficiency machine is more desirable than a low-efficiency machine?

Efficiency is the ratio of the energy converted into useful work by the machine to the energy supplied to the machine. Certainly it will not be possible to convert all the energy supplied into useful work because of wastage of energy due to so many reasons. So efficiency will be always less than 1. As the efficiency becomes more the loss would become less. Hence it is desirable.


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