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- Gravitational force from a shell;Hooke's 'law'. 利用積分推導球殼的引力;
- A mare on the moon having rock of greater density than that of the surrounding area, thus exerting a slightly higher gravitational force. 質量密集月球上的陰暗部,其內部岩石比周圍地區的岩石的密度大,因此產生略大些的引力
- A gibbon is better adapted than a man for life in a low gravitational force. 長臂猿比人更能適應在低重力場中生活。
- Newton's problem was to express in mathematical terms the gravitational force between different bodies. 牛頓的目標是要用數學形式來表示不同物體之間的引力。
- The idea of an inverse-square law of gravitational force acting on the planets was in the air around Newton's time. 認為作用於行星的是平方反比定律的引力,這種看法在牛頓時代很流行。
- In his monumental work begun in 1666, Newton discovered three vital facts about the gravitational force. 牛頓在他開始於一六六六年的不朽的工作中,發現了有關萬有引力的三個極其重要的事實。
- The work of the gravitational force, therefore, depends only on the initial and final elevations and not on the path. 所以,重力的功僅取決於初高度和末高度,而與路徑無關。
- Inertial forces and gravitational forces are indistinguishable. 慣性力與引力是不可區分的。
- Its main mission completed, Voyager turned Neptune's gravitational force into a celestial slingshot and sped toward a rendezvous with infinity. 主要任務完成以後,「旅行者」將海王星的引力轉變為天體彈弓,迅速飛向無窮遠的會合點。
- In an analysis of the process in which Einstein established general relativity it is found that gravitational force is a fundamental problem in nature and even the whole universe. 對愛因斯坦建立廣義相對論的過程進行了分析,引力問題是自然界乃至整個宇宙世界的一個基本問題。
- The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force. 橫向地性生長部分在地心引力的作用下傾向於適當角度,如植物的根
- Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective. 引力場是一種矢量場,廣義相對論對引力問題的描述是非常有效的。
- This leakage has a profound effect on the gravitational force between objects separated by more than the critical distance. 這種能量的滲漏,對於超過某一臨界距離的物體間的重力而言,有著深遠的影響。
- At this time the Suns gravitational force partially offsets the Moons gravitational force causing lower than normal tides called neap tides. 這時,太陽的部分引力抵消月亮的引力,形成比平常還低的潮水,稱為小潮。
- Will eventually merge into one by their strong gravitational forces. 最終會因強大的引力而二合為一。
- Einstein theory of relativity told us that mass and energy determine the geometry of spacetime and any curvature of this spacetime shows itself as the gravitational force. 愛因斯坦的相對論提出,質量和能量決定時空的幾何形狀,而時空的彎曲率則以引力的形式表達出來。
- This is the formula for a thick vertically faulted slab with such a large throw that the downthrow side makes no contribution to the gravitational force. 這是有垂直斷層的厚板體的公式,其斷層的落差是這樣大,以致下落翼對重力場沒有什麼影響。
- Later on, Oppenheimer and others through calculation proved that supermassive stars under gravitational force could really collapse to form black holes. 後來奧本海默等人透過計算,證明大質量星體在重力塌縮下的確可以形成黑洞。
- This is the formula for a thick vertically faulted slab with such a large throw that the downthrow side makes no contribution to the gravitational force . 這是有垂直斷層的厚板體的公式,其斷層的落差是這樣大,以致下落翼對重力場沒有什麼影響。
- With no outward forces to oppose gravitational forces, the remnant will collapse in on itself. 由於沒有向外的力量對抗重力吸引,殘留物就會向它自身裡面崩塌。