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Explore the fascinating world of pulleys, a critical component of simple machines. Pulleys consist of grooved wheels and a cord, enabling the change of direction of force, making it easier to lift heavy objects. The mechanical advantage varies with the number of pulleys used, enhancing efficiency. Pulleys are used in everyday applications such as elevators, exercise machines, laundry lines, and bridges. This guide provides insights into different types of pulleys and comprehension questions to deepen your understanding.
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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?