It is unclear if these were just hypothetical experiments used to illustrate a concept, or if they were real experiments performed by Galileo, but the results obtained from these experiments were both realistic and compelling.
现在并不清楚这些实验仅仅是用来说明概念的理想实验，还是真的由伽利略做过，不过这些实验的结果是真实可信的。