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功与浮力综合,题是初中物理力学部分的重点和难点,也是近年来中考的热点.现举几例,帮大家分析.例1如图1所示,
The integration of work and buoyancy is a key and difficult part of the physics and mechanics part of junior high school, and it is also a hot spot in recent years. There are a few examples to help you analyze. Example 1 is shown in Figure 1.