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> 1\. 质量为
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> 
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> 的人造地球卫星在地面上空高
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> 
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> 处绕地球做匀速圆周运动。地球质量为
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> 
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> ,半径为
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> 
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> ,引力常量为
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> 
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> ,则卫星的向心力为( )
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>
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> A.
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> 
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> B.
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> 
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>
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>
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> C.
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> 
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> D.
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> 
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>
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>
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> 【难度】\
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> 简单
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>
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> 【答案】
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>
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> B
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>
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> 【解析】
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>
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> 【解答】根据万有引力提供向心力可得,卫星的向心力为
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>
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> 
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>
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>
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> B符合题意,ACD不符合题意。\
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> \
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> 故答案为:B。\
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> \
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> 【分析】根据万有引力定律公式求解卫星的向心力。
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>
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> 【关联章节】第七章 万有引力与宇宙航行第七章 万有引力与宇宙航行 \> 2.
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> 万有引力定律;
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>
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> 【关联知识点】经典力学的成就与局限性 \> 万有引力定律;
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>
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> 【关联素养点】暂无数据
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>
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> 【关联关键能力】暂无数据
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