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题 2001年工月10日,我国成功发射“神舟二号”宇宙飞船当飞船进入预定轨道,并关闭发动机,正在太空飞行,科学家在其中进行实验,下列哪些操作能够进行:A.用天平测质量 B.用弹簧秤测力C.做滚摆实验 D.做托里拆利实验分析与解很多同学在倣这道题的时候,由于对失重不理解从而导致错选 A、C、D用相对静止的观点可以很好的理解失重,从而选出正确答案.
On the 10th of the month of 2001, China successfully launched the “Shenzhou II” spacecraft when the spacecraft entered a predetermined orbit and closed the engine and was flying in space. Scientists conducted experiments in it. Which of the following operations can be carried out: A. Using a balance Measuring quality B. Measuring force with a spring scale C. Rolling test D. Doing torreography experiment analysis and solution Many students in the simulation of this problem, due to the weightlessness do not understand the resulting misuse of A, C, D The relatively static point of view is a good way to understand weightlessness and thus select the right answer.