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高中物理中演示共振,主要用单摆共振实验和音叉共振实验。生活中的共振比较丰富,只用这两个实验演示共振有些单调。为了丰富课堂共振实验,笔者研制了自行车辐条共振演示仪。主要利用了辐条的优良弹性,将校园自行车变废为宝。使其在物理教学中发挥更大作用。由于制作材料便于收集,加工步骤简单,所以可指导学生自行制作。提高其动手能力及
High school physics demonstration of resonance, the main pendulum resonance experiment and tuning fork resonance experiment. Resonance in life is more abundant, only two experiments show that the resonance is somewhat monotonous. In order to enrich the classroom resonance experiment, I developed a bicycle spoke resonance demonstrator. The main use of the spokes of the excellent elasticity of the school bicycle turning waste into treasure. Make it play a greater role in physics teaching. As the production of materials for easy collection, processing steps are simple, so they can guide students to make their own. Improve their practical ability and