The class of today is the mechanism principal model, in which we covered several most important mechanical mechanisms in human’s history. In order to deliver the concept more intuitively, we first built the simple models and then we explain the knowledge behind all these models. We built three different kinds of levers, two wheel and axle models, three pulley models and one screw model. All models are simple but enough to explain the basic mechanical design rules behind them. The student got bored pretty quickly, but they finished all model building and more importantly, they learned some important concept.
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