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浮力是初中物理的难点,是力学知识综合应用的体现,如何突破难点,在习题讲解时应注意以点带面,归类总结,举一反三,让学生掌握规律,才能提高能力。
Buoyancy is the difficulty of junior high school physics. It is a manifestation of the comprehensive application of mechanics knowledge. How to break through the difficulties? In explaining the exercises, we should pay attention to using points and areas to classify and summarize them.