心爱新灵
幼苗
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就是著名的比萨斜塔实验嘛
The story:
Galileo climbed the Leaning Tower of Pisa "in the presence of other teachers and philosophers and all the students" showed through repeated experiments that "the velocity of moving bodies of the same composition,but of different weights,moving through the same medium,do not attain the proportion of their weight as Aristotle decreed,but move with the same velocity".
In his own books,Galileo uses thought experiments to argue that objects of unequal mass fall together in a vacuum.Without mentioning the Leaning Tower,he reports having "made the test" with a cannonball and a musket ball.What is perhaps surprising,however,is that Galileo found that the two balls did not quite fall together.This finding coupled with the fact that Viviani's biography is the only source to mention that the experiments were done at the Leaning Tower causes most historians of science to doubt Viviani's version of what Galileo did.They believe that the elderly and then-blind Galileo may have misremembered when speaking to his youthful assistant.
1年前
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