shortened simple machines
a force that pulls objects toward the center of the Earth.
a measure of how fast an object is moving.
|Friction||The force caused by one object rubbing against another that can produce heat.A tool that makes it easier to do work by reducing the amount of effort required.|
|Force||A push or a pull.|
A tool that makes it easier to do work by reducing the amount of effort required.
|A soccer player kicking a ball into a goal||is an example of WORK.|
|Simple Machines||are useful because they let us do the same amount of work with less EFFORT.|
|Wedges||Examples of wedges are: pins, knives, and chisels.|
|work||is calculated by multiplying: energy x effort.|
|Rolling an object on wheels requires less force than dragging the object because...||The wheels reduce friction.|
|Examples of simple machines||lever, screw, inclined plane, wedge, wheel and axel, pulley.|
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