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描述物理现象的各物理量之间常存在着相互依赖、相互制约的关系.当其中某个物理量变化时,其他物理量也将按照物理规律发生变化,许多命题以此设计情景要求对这种变化进行分析、讨论,即物理动态问题.该类问题集中考查考生慎密的逻辑推理能力和综合分析能力,是历届高考的热点问题和难点问题.物理动态命题能够突出考查考生综合分析、严密推
There are often interdependencies and mutual restraints among the physical quantities that describe the physical phenomena.When a certain physical quantity changes, other physical quantities will also change according to the laws of physics, and many propositions use this design scenario to analyze this change , Discussion, that is, the physical dynamic issues .This type of problem focused on examining candidates careful logical reasoning ability and comprehensive analysis ability, is the hot issues and difficult problems of the previous college entrance examination .Physical dynamic proposition can highlight the test a comprehensive analysis of the examinee, rigorous push