人工重力 Artificial gravity
（重定向自Simulated gravity）
人工重力，又称人造重力，是指在太空或自由落体的环境下对地表重力效果的模拟。
人工重力可以防止人类因长期处于失重环境中引起的健康提问，对长期载人太空活动尤其重要。
产生人工重力的常用方法是通过太空船整体或局部的旋转，使得太空船的乘员感受到离心力，从而模拟重力的效果，由于科氏力的关系，旋转的半径要够大才能避免头晕。但当前的人工重力技术尚未达到实际应用的水平。
Simulated gravity
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Artificial gravity 人工重力
（重定向自Simulated gravity）
Artificial gravity is an acceleration resulting from the application of a force. In the context of manned spaceflight, artificial gravity may alleviate the adverse health effects of prolonged weightlessness . Astronauts routinely experience intermittent accelerations caused by the force of a rocket engine. However, the term artificial gravity usually refers to a sustained Normal force provided by a rigid structure in uniform circular motion. Practical outer space applications of artificial gravity for humans have not yet been built and flown, principally because of the large size of the spacecraft required to produce a useful centripetal acceleration, comparable to little g.
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