• Mars has less gravity. My attempts to walk resulted in jumps and hops, which took me into the air.

    VOA: special.2010.07.10

  • Now, gravity, well force, is equal to mass times acceleration, g and the acceleration due to gravity is g.


    麻省理工公开课 - 热力学与动力学课程节选

  • And the idea was that gravity did work on the water and falling, and that work led to the generation of heat.


    麻省理工公开课 - 热力学与动力学课程节选

  • Newton proved his idea by measuring how much gravity force would be needed to keep the moon orbiting the Earth.

    VOA: special.2011.06.01

  • It violates gravity, but six-month-olds aren't smart enough to know that a block just stuck over here is also surprising.


    耶鲁公开课 - 心理学导论课程节选

  • This most recent collision with Jupiter brought attention to how the huge planet's gravity affects our solar system.

    VOA: special.2009.08.25

  • If nothing is touching the body, there are no forces on it, with one exception which is, of course, gravity.


    耶鲁公开课 - 基础物理课程节选

  • All his movements were made against a force that could reach six times the power of gravity.

    VOA: special.2010.07.07

  • The poet, after all, is subject to gravity in Frost, to the force of the earth.


    耶鲁公开课 - 现代诗歌课程节选

  • After about an hour of being beyond the pull of Earth's gravity, Glenn reported he felt fine.

    VOA: special.2009.06.17

  • Imagine waking up every morning and saying to yourself: "I refuse to accept the law of gravity.


    哈佛公开课 - 幸福课课程节选

  • There was a new system of liquid nitrogen to keep the pilot cool and to resist the crushing force of gravity at high speeds.

    VOA: special.2010.07.07

  • If there is no charge on the plate, these droplets will simply fall under gravity.


    麻省理工公开课 - 固态化学导论课程节选

  • Because of the gravity on Mars, spacesuits may have to be designed to be lighter than suits used in orbit or on the moon.

    VOA: special.2011.04.06

  • She touched the edge of its voluptuous field, knowing it would be lovely beyond dreams, simply to submit to it, that not gravity's pull, laws of ballistics, feral ravening promised more delight.


    耶鲁公开课 - 1945年后的美国小说课程节选

  • They moved easily and quickly, because the moon's gravity is six times less than Earth's.

    VOA: special.2009.07.15

  • They seem to be going somewhere and there's this sort of force of pull or gravity in music having to do with some chords wanting to go to other chords.


    耶鲁公开课 - 聆听音乐课程节选

  • HeLa cells have gone to the moon to test the effect of zero gravity.

    VOA: special.2010.07.21

  • One should do," he says, "what archers do when attempting to reach a distant target, namely, aim your bow high, knowing that the force of gravity " will bring the arrow down."


    耶鲁公开课 - 政治哲学导论课程节选

  • Scientists can observe what they believe to be dark matter only through its gravity.

    VOA: special.2009.07.21

  • That is, you minimize potential energy and you see things falling under the force of gravity and so forthgoing to potential energy minima in conformance with this result.


    麻省理工公开课 - 热力学与动力学课程节选

  • He quickly learns that gravity on Mars is much less than on Earth.

    VOA: special.2010.07.17

  • But gravity has a remarkable property that the pull of the Earth is itself proportional to the inertia of the object.


    耶鲁公开课 - 基础物理课程节选

  • These are all influenced by the gravity of the solar system's largest planet.

    VOA: special.2011.02.09

  • We all know that in a falling elevator, you definitely do not escape the pull of gravity.


    耶鲁公开课 - 基础物理课程节选

  • They have found that lack of gravity has a severe effect on bones.

    VOA: special.2009.03.10

  • It's really amazing that what Newton did in the case of gravity was to find the expression for this.


    耶鲁公开课 - 基础物理课程节选

  • Glenn explained later that at times it helped to be free of gravity.

    VOA: special.2009.06.17

  • And the aeronautics engineer who wants to build an airplane has to obey, take into consideration, learn it, study and understand the law of gravity.


    哈佛公开课 - 幸福课课程节选

  • Imagine if an aeronautics engineer : woke up in the morning and said, "you know,the Law of Gravity thing really makes things difficult for me.


    哈佛公开课 - 幸福课课程节选

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