Saturday 17 August 05:52 AM
Pulling A Truck With A Flip Flop Winch.
Levers are all around us and within us, as the basic physical principles of the lever are what allow our tendons and muscles to move our limbs. Inside the body, the bones act as the beams and joints act as the fulcrums.
According to legend, Archimedes (287-212 B.C.E.) once famously said "Give me a place to stand, and I shall move the Earth with it" when he uncovered the physical principles behind the lever. While it would take a heck of a long lever to actually move the world, the statement is correct as a testament to the way it can confer a mechanical advantage. The famous quote is attributed to Archimedes by the later writer, Pappus of Alexandria. It's likely that Archimedes never actually ever said it. However, the physics of levers is very accurate.
When using a lever to perform work, we focus not on masses, but on the idea of exerting an input force on the lever (called the effort) and getting an output force (called the load or the resistance).
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Source :- u/bebesiege
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