Answers

2014-11-25T20:45:09+08:00
A pulley is a wheel on an axle for supporting movement and changing the of direction of the cable around it.

Uses:
-For lifting heavy objects.
-For transporting objects
-Changing the direction of a force
- Multiplying force or dividing the needed force.
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2014-11-25T20:46:32+08:00

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Pulleys are a wheel with a grooved rim. The uses of pulleys is to pull the object back and forth, i.e. Fishing rod.
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