Simple Machines

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goods, for transportation, ect.

In the W=F*d equation the trade of between force and distance is as you
use a machine the force goes down and distance goes up. If there was no friction
they would be equal and trade.

There are six simple machines. They are a lever, pulleys, inclined plain,
wheel and axle, screw, and wedge. The lever is used very often an example of a
lever is a broom. Your hand is the fulcrum and when you sweep it is a lever. A
lever consist of a fulcrum, effort, and resistance. A pulley is used to lift or
pull objects with a advantage. To get a advantage it matters how many lines are
going to the load. For example if there is 3 lines to the load it is a 3/1
advantage. A inclined plain is used to lift an object easier but with more work.
Instead of lifting it straight up you push it a greater distance but with less
force. A screw is a inclined plain wrapped around a cylinder post. Its like a
ramp around the screw.

A wedge is a inclined ...

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