問題詳情
38.若已知地球的質量為 M，半徑為 R，質量為 m 的太空站在距離地面高度 H 的軌道上運行，太空站內有質量 ms 的太空人於其間操作相關的科學實驗，已知太空人是在失重狀態下，則下列敘述何者正確？（萬有引力常數為 G）
(A)太空站處於失重狀態，與地球間的萬有引力為零
(B)太空人處於失重狀態，受到地球的萬有引力為零
(C)太空人受到地球的萬有引力約為
(D)太空人及太空站都受到地球的萬有引力作用
(A)太空站處於失重狀態，與地球間的萬有引力為零
(B)太空人處於失重狀態，受到地球的萬有引力為零
(C)太空人受到地球的萬有引力約為
(D)太空人及太空站都受到地球的萬有引力作用
參考答案
答案：D
難度：適中0.481481
統計：A(1),B(17),C(10),D(26),E(0)
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