伽利略从比萨斜塔上扔下不同重量的物体,并计算它们的下落时间。他要实现的不仅是他的勃勃雄心。
Galileo was not merely ambitious when he dropped objects of varying weights from the Leaning Tower at Pisa and timed their fall to the ground.
他发现各种质量的下落时间总是相同的,也就是一个落体的运动与质量无关。
He noticed that the time required for the fall was always the same, that the motion of a falling body does not depend on the mass.
随着时间的流逝,你的足弓在往下落,脚变长。
Over time, your arches tend to fall and your feet become longer.
Now, if you dug a hole here until there, and of course it may work until that happens.
现在,如果你在地上挖个洞,让这个物体下落时间足够长,那还说得通
应用推荐