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abhishek kumar sharma Grade: 11

why a thing is weightless inside a artificial satelite while it has weight on moon which one is also a natural satelite

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points

Dear abhishek

artificial setelite revolves around the earth near to the earth . with a acceleration of GM/R2    

 Where R is radius of orbit if setelite rotation.

when mass is inside the setellite .two force act on it gravitational pull by earth and normal reaction


GMm/R2 -N =m(GM/R2)  according to newton law

so N=0

 so body is weightless in this case


but when a body is on the moon then here gravitational pull by moon on body can not be neglected as its mass of moon is large

so here wieght of the mass due to gravitational pull by moon

F= GMmm/Rm2

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7 years ago
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