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2012年高考刚结束,笔者发现全国高考理综试题(新课标卷)中第16题(物理题)如此眼熟,经认真查阅核对,该题竟然是2012年4月《中学物理》上的一个例题.。高考理综16题:如图,一小球放置在木板与竖直墙面之间,设墙面对球的压力大小为N1,球对木板的压力大小N2,以木板与墙
The 2012 college entrance examination just ended, the author found that the 16th problem (physical problems) in the national college entrance examination comprehensive examination questions (new curriculum standard) was so familiar, after careful review, the title turned out to be a 2012 April “secondary school physics” example.. The college entrance examination theory 16 questions: As shown in the figure, a small ball is placed between the wooden board and the vertical wall surface, and the pressure of the wall facing the ball is N1, the pressure of the ball on the wooden board is N2, and the board and the wall