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rizwan_uet

  • 3 years ago

is gravitational acceleration constant for a free falling body??? i mean g = 9.8m/s^2 is constant for a free falling body??

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  1. DLS
    • 3 years ago
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    yes

  2. rizwan_uet
    • 3 years ago
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    then why the weight of a body varies with respect to height???

  3. Iamgmg90
    • 3 years ago
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    yes, but a lot of height, enough to drastically change the Earth's gravitational influence over the object.

  4. DLS
    • 3 years ago
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    \[\LARGE g=\frac{GM}{(1+\frac{H}{R})^2}\approx GM(1-\frac{2H}{R})\] This is the variation with height,which is approximately to the other one if h<<R

  5. DLS
    • 3 years ago
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    If you take it to a height comparable to radius of earth..more than 5% more than radius of earth or so.

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