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🔍 PREVIEW MODE – Only you can see this. Back to Admin EduTek Lesson Notes Shop Print PDF Home › SS › Physics › Simple Machines SS 2 Simple Machines Physics SS 2 First Term Introduction to Simple Machines A simple machine is a device that makes work easier by changing the magnitude or direction of a force. Simple machines are the basic building blocks of all complex machines. 📌 Key Concepts: Machine: A device that helps us do work with less effort. Effort (E): The force applied to the machine. Lo [Preview only]