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高考的原创试题之所以较难,因为物理过程复杂,潜在条件隐蔽,常使学生产生条件不足之感,而陷入困境.如何解决问题的突破口,高效简洁地完成解题,集中体现了考生的综合分析能力.2016年江苏高考物理试题第14题是一个能量守恒的综合试题,突出考查考生思维的深刻性.试题如下:如图1所示,倾角为α的斜面A被固定在水平面上,细线的一端固定于墙面,另一端跨过斜面
The reason why the original test of college entrance examination is more difficult because the physical process is complicated and hidden potential conditions often make students feel inadequate conditions and fall into trouble.How to solve the problem of breach, efficient and concise to solve the problem, focused on the candidates reflect the comprehensive Analysis of the problem. Jiangsu Physics Entrance Examination questions in 2016 is a comprehensive energy conservation questions, highlighting the examinee’s profound thinking. Questions are as follows: As shown in Figure 1, the inclination of α bevel A is fixed in the horizontal plane, fine One end of the wire is fixed to the wall and the other end straddles the bevel