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Gaokao Physics Practice Question

从“玉兔”登月到“祝融”探火,我国星际探测事业实现了由地月系到行星际的跨越。 已知火星质量约为月球的 9 倍,半径约为月球的 2 倍,“祝融”火星车的质量约为“玉兔” 月球车的 2 倍。在着陆前,“祝融”和“玉兔”都会经历一个由着陆平台支撑的悬停过程。 悬停时,“祝融”与“玉兔”所受陆平台的作用力大小之比为

  1. A.9:1
  2. B.9:2
  3. C.36:1
  4. D.72:1

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