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Thread: Gravitational force acting on an object of different masses at different height

  1. #1 Gravitational force acting on an object of different masses at different height 
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    Hi
    am i correct to say that the gravitational forces acting on an object at H1 and H2 are the same ?
    But if object A is heavier than object B, then the gravitational forces acting on an object A is larger than
    acting on object B ? I was abit confuse with weight of an object on a high ground decreases.

    thank you
    jo


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  3. #2  
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    Quote Originally Posted by joceychin View Post
    Hi
    am i correct to say that the gravitational forces acting on an object at H1 and H2 are the same ?
    No. The gravitational attraction decreases with distance. If H2 is higher than H1, the acceleration due to gravity will be greater at H1 which is closer to the earth's center of mass. However, if the difference in height is small relative to the earth's radius, then the acceleration due to gravity is approximately constant.
    But if object A is heavier than object B, then the gravitational forces acting on an object A is larger than
    acting on object B ?
    Yes, assuming they are at the same height.


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