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Simple Machines. Sydney, Jacob, and Christian. -Pulleys. Pulleys. pulleys3rd person singular present, plural of pul·leyNoun: A wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly... . Info.
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Simple Machines Sydney, Jacob, and Christian -Pulleys
Pulleys • pulleys3rd person singular present, plural of pul·leyNoun: A wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly...
Info • The pulley system consists of one or more pulleys and a rope or a cable. The number of pulleys used may increase or decrease the mechanical advantage of the system. Generally, the higher the mechanical advantage is, the easier it is to lift the object that is being lifted.
What are pulleys used for? • Inventions • Pulleys • To carry things above and below and to make distribution of things easier • To force change • Elevators • Exercise Machines • Some clothes lines • Some bridges • Some machines
Comprehension Questions • #1. In your own words, what is a pulley? • #2. What is a real life instance where you can use a pulley? • #3. What is a pulley system used in everyday life?