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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.

Q: Can a simple machine efficiency ever be greater than 100 percent?

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this is simple, 65% is larger and greater because, 0.6 is a tenth when 65 is a ten and a unit.

Draw a flow chart to calculate simple interest with 10% rate if time is greater than 2 yrs otherwise calculate simple interest with 5%.

Yes, the simple machine is a lever if you look at the top of a normal playground swing.

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so wut exactly is ur question?

please rephrase ur question so that it can be understood

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

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

input

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

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

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

They have to overcome less friction

The answer is mechanical advantage, not efficiency!

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).

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"?