Why Is No Machine 100 Percent Efficient?

Answer

There is no machine that is 100 percent efficient because energy is always lost due to heat or friction. Efficiency is measured as a ratio of the performance of the machine.
Q&A Related to "Why Is No Machine 100 Percent Efficient?"
Machines always give off thermal energy. therefore they can't be 100% efficient.
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It's not possible. Take a car for example. It's function is to make kinetic energy, but it gets hot doesn't it? It's not 100 percent efficient. It's just not possible right now. Friction
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1. Press F8 while you boot your computer. You must time this function while it is loading the operating system. If the screen makes it all the way to the large Windows logo, you will
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