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Simple Machines for Kids: Science and Engineering for Children - FreeSchool
Alison Drzymkowski
في May 22 2019
139 المشاهدات
Simple machines have been helping people to do work for thousands of years! The lever, wheel and axle, pulley, inclined plane, wedge, and screw each have a job to do. Some amplify force, some change its direction, and some reduce friction or create mechanical advantage. Come learn about simple machines and what makes them work in this educational video!
