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Simple Machines
Part 1 of Paper
....of a force.
Simple Machine- A device that performs work with only one movement. Simple
machines include lever, wheel and axle, inclined plane, screw, and wedge.
Ideal Mechanical Advantage (IMA)- A machine in which work in equals work out;
such a machine would be frictionless and a 100% efficient IMA= De/Dr
Actua.... Part 2 of Paper
....d 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 .... |
| Number of words: 586 - Approximate pages: 3 |
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