Recent content by wilsonlye

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    Variation of gravity along latitude

    In another word, mg and centripetal force are two different forces act on a particle and mg' is the resultant force experienced by the particle?
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    Spinning and rotation of planets

    consider two planets, planet X and planet Y with masses, Mx and My separated with distance, D and they orbits about the centre of mass of the system which remains stationary. we know that period of orbit for X and Y are the same because they are always collinear with the centre of mass...
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    Variation of gravity along latitude

    that term is centripetal force
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    Variation of gravity along latitude

    g points towards the centre of the earth
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    Variation of gravity along latitude

    then what are the two distinct sources? one of them is R cos(\theta)\omegasquare the other source?
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    Variation of gravity along latitude

    Factor contributes to variation of gravity along latitude is: 1. shape of the earth 2. rotation of the earth gravitational field strength is resolved into two components, (R cos\theta)\omega square, and g' at the poles,\theta =90 degree, therefore, g' = g which is 9.81 at the equator...
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