英语翻译Every object has weight.But the center of its weight is not always in the middle of the object.If the top of an object is heavier than its bottom,it will fall over easily.We say that its center of gravity is high.But if the bottom is heav

英语翻译Every object has weight.But the center of its weight is not always in the middle of the object.If the top of an object is heavier than its bottom,it will fall over easily.We say that its center of gravity is high.But if the bottom is heav
英语翻译
Every object has weight.But the center of its weight is not always in the middle of the object.If the top of an object is heavier than its bottom,it will fall over easily.We say that its center of gravity is high.But if the bottom is heavier,it won’t fall easily.Then we say that its center of gravity is low.
Look at the first picture.This empty box must fall over,because its center of gravity（C）is not above the line of its bottom（AB）
Now look at the second picture.There is some heavy iron in the bottom of this box.It will not fall,because its center of gravity is above its bottom.
71．If the bottom of an object is its top,it will fall over easily.
A．lighter than B．heavier than C．no heavier than D．as heavy as
72．Please point out which box will not fall.
73．The reason why the Leaning Tower of Pisa does not fall is that .
A．the top of the tower is heavier than its bottom
B．the bottom of the tower is not heavier than its top
C．its center of gravity is still above the line of its bottom
D．its center of gravity is not above the line of its bottom
74．If an object has a low center of gravity,.
A．it won’t fall B．it won’t fall easily
C．it is sure to fall over D．its top must be heavier
75．The main idea of the passage is .
A．why things fall over B．a low center of gravity
C．a high center of gravity D．that everything has weight

英语翻译Every object has weight.But the center of its weight is not always in the middle of the object.If the top of an object is heavier than its bottom,it will fall over easily.We say that its center of gravity is high.But if the bottom is heav
每个对象都有重量.但该中心的重量并不总是在中间的对象.如果一个对象的顶部是重于它的底部,它将很容易摔倒.我们说它的重心是高.但如果底部越重,它不会很容易就会.然后我们说它的重心很低.
看第一张图片.这个空盒子必须跌倒,因为它的重心（C）不是线之上的底（AB）
现在看第二幅图.有一些沉重的铁在这个盒子的底部.它不会下跌,因为其重心高于它的底部.
71．如果一个物体的底部是其最高,它将很容易摔倒.A：轻于B:重于C:没有重D:重如
72．请指出哪个盒子不会下降.
73．为什么比萨斜塔不下降,A:在塔的顶部是重于它的底部B：塔的下部的质量低于其最高C:它的重 心仍高于线的底部D:它的重心是不高于线的底部
74．如果一个对象有一个低重心,A:它不会下降B:它不会很容易就会C:它肯定会摔倒D:其前必须重
75．一篇文章的中心思想是A:为什么事情摔倒B:一个低重心C:一个高重心D:这一切都是有重量的
希望能够帮到你,希望加分!1

不会翻译就查字典啊，但一般不需要翻译啊，只知道大致的意思就好了