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近年来高考试题越来越强调理论与实际相结合,体现了物理学科知识与科学、技术、社会之间的紧密联系.命题不拘泥于大纲和教材,但不超纲,既注重知识的内在联系和对学生解决问题能力的考查,同时也注意对过程方法、情感态度价值观的考查,充分体现了新课标、新课程的理念.例1游乐场的过山车的运动过程可以抽象为图1所示模型.弧形轨道下端与圆轨道相接,使小球从弧形轨道上端A点由静止滑下,进入圆轨道后沿圆轨道运动,最后离
In recent years, college entrance examination questions more and more emphasis on the combination of theory and practice, reflects the physics knowledge and science, technology, society, the close contact between. Proposition does not rigidly adhere to the outline and teaching materials, but not superficial, not only pay attention to the intrinsic linkages of knowledge And the students ability to solve the problem test, but also pay attention to the process method, emotional attitude and values of the test, fully embodies the new curriculum, the new curriculum concept.Example 1 roller coaster playground process can be abstracted as shown in Figure 1 Model. The lower end of the arc-shaped track is connected with the circular track so that the ball slides down from the upper point A of the curved track from standstill, enters the circular track and then moves along the circular track,