| 41. | The Moon is the primary source of the gravitational forces that cause the tides.
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| 42. | Although it survived, gravitational forces shattered it into several pieces.
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| 43. | Thus there appears to be several stable potentials around a gravitational force in this model.
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| 44. | I can't imagine too many jokes involving gravitational forces.
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| 45. | Compare this with the net downward gravitational force on an equal volume of the fluid.
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| 46. | "My point is not one of logical necessity but of gravitational force, " she writes.
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| 47. | But gravitational forces would radically shuffle around the stars'locations.
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| 48. | And because gravitational force changes with mass, as Earth's water goes, so goes its gravity.
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| 49. | Orsos said, explaining that amateurs cannot take the pressure of gravitational forces in a dogfight.
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| 50. | The Earth attracts you with a slightly stronger gravitational force ( at the poles ).
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