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Efficiency = useful output power / input power
Efficiency
true
The machine efficiency is 35 percent (35/100).
Efficiency
Efficiency
That is called the efficiency, and it is a number between 0 and 1 (or 0% and 100%). It is obtained by dividing output power / input power.
What the most useful machine is, is a matter of opinion. Some would argue that the wheel is the most useful machine, and others would argue that the lever is the most useful.
A machine saves you force, changes distance, and changes direction. Those are the three ways in science that why machines are useful.
APR is the most useful measure of interest rate.
harder and more durable, making it useful for many products
It was a useful object to use. It was not useful to the team to have to struggle with the new machine.
It is good & useful machineit is a good device because it is a very accuracy & speed. By using this we can perform calculation ,presentation etc.It is a marvellous machine.
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the lever
the lever
bicycle