[问答题]
State the three unprovable assumptioc h* zc*:nct1izc8*mooj 7ev4 ns of Galilean-Nec(2 fsb4.jhy c.bdpi4wtonian relativity.
参考答案: 1. The lengths of objects are the same in all reference frames.
2. Time passes at the same rate in all reference frames.
3. The mass of an object, as well as all forces, are the same in all reference frames.