Q921
Open questionIf the distance between Sun and Earth becomes double, then the gravitational force on Earth will be
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Q922
Open questionThe large collection of stars, dust and gas held together by gravitational attraction between components is known as
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Q923
Open questionA person can jump higher on the moon's surface than on the earth because :
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Q924
Open questionThe velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth.
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Q925
Open questionWhich measurement depends on gravitational force?
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Q926
Open questionWhat is the minimum escape velocity of rocket to be launched into space ?
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Q927
Open questionThe period of revolution of a geostationary satellite is
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Q928
Open questionThe laws which govern the motion of planets are called ________
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Q929
Open questionWho gave the Theory of Relativity?
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Q930
Open questionWhat is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?
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Q931
Open questionThe height of a geo-stationary satellite from the Earth's surface is approximately :
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Q932
Open questionWhy is weightlessness experienced while orbiting the earth in space ships ?
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Q933
Open questionIn the case of bodies falling under gravity which of the following remains constant at a given place?
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Q934
Open questionThe instrument used to see the distant objects on the Earth is
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Q935
Open questionIntensity of gravitational field of earth is maximum at
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Q936
Open questionBy how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?
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Q937
Open questionWhich is the point from where an azimuth originates?
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Q938
Open questionThe weight of a body acts through the centre of
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Q939
Open questionIf the spinning speed of the earth is increased then the weight of body at the equator
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Q940
Open questionWhat is the escape velocity of the rocket in the earth?
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