As our last simple machine before the CNY break, students learned about levers. They made simple levers, learning about the 3 main parts: the load, fulcrum, and force. By working with different lever designs, they learned about the concept of mechanical advantage and how the amount of force applied is affected by where the load is in relation to the lever's fulcrum. They then made catapults, adding the concept of potential and kinetic energy to their understanding of levers.
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