考诊拼一、蕊空月 1.一头大象的体重为600以)N,每只脚掌面积为600 cmZ,这头大象四脚着地时 对地面的压强是 2.为了方便盲人行走,在马路两旁的人行道上铺设了有凸棱的盲道,如图l所示.李 。昌。 刚在盲道上行走,感觉脚有些不舒服.从物理学角度分析,这是因为:走 在盲道上,脚与地面 The examinations were put together. Core 1. The weight of an elephant was 600 N), and the area of ​​each foot was 600 cm. The pressure on the ground when the elephant touched the ground was 2. In order to facilitate blind people to walk, The sidewalks on both sides of the road are paved with ridged blind roads, as shown in Figure 1. Lee. Chang. Just walking on the blind road, I felt some uncomfortable feet. From the physics point of view, this is because: walking on the blind road, feet and the ground