define g &G . also establish relation between two.
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G is the universal gravitational constant. It's accepted value is 6.673×10^-11 N m^2/kg^2.
g is the acceleration due gravity exerted by the earth. It's value is 9.8m/s^2.
Relation:
According to Newton's universal law of gravitation
F=G Mm/R^2. ____(1)
Also, F = ma
Here the acceleration is acceleration due to gravity, hence we can write a as g.
So, F=mg _____(2)
Comparing both the equations,
mg=G Mm/R^2
g = GM/R^2
( where R is the radius).
Hope this helps you...
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g is the acceleration due gravity exerted by the earth. It's value is 9.8m/s^2.
Relation:
According to Newton's universal law of gravitation
F=G Mm/R^2. ____(1)
Also, F = ma
Here the acceleration is acceleration due to gravity, hence we can write a as g.
So, F=mg _____(2)
Comparing both the equations,
mg=G Mm/R^2
g = GM/R^2
( where R is the radius).
Hope this helps you...
Please mark it brainliest...
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