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物理实验一直是高考的热点,试题的难度、灵活度、综合度也在不断提升.要提高实验题的正确率,不仅要理解实验原理,掌握实验方法,还要正确分析实验误差,抓住实验的精髓.本文从课本上的实验装置着手,适当改变实验条件,体现其多重功效,提高学生的综合能力.实验装置:如图1,把附有滑轮的长木板平放在实验桌上,将细绳绕过滑轮,下面挂上适当的钩码,将
Physical experiment has been a hot spot in college entrance examination, and the difficulty, flexibility and comprehensiveness of the test questions are constantly on the rise.To improve the correctness of the test questions, we not only understand the experimental principle but also master the experimental methods, analyze the experimental errors correctly, The essence of this article from the experimental device on the textbook to start, appropriate to change the experimental conditions, reflecting its multiple functions and improve the overall ability of students Experimental device: As shown in Figure 1, the long board with pulleys flat on the experimental table will be String around the pulley, hanging below the appropriate hook code, will