What is the magnitude of the gravitational force acting on the sun due to the ea

Question

What is the magnitude of the gravitational force acting on the sun due to the earth?

The earth does not exert any gravitational force on the sun.
_______________ The earth exerts some force on the sun, but less than 3.53×1022N because the earth, which is exerting the force, is so much less massive than the sun.
_______________ The earth exerts 3.53×1022N of force on the sun, exactly the same amount of force the sun exerts on the earth found in Part A.
_______________ The earth exerts more than 3.53×1022N of force on the sun because the sun, which is experiencing the force, is so much more massive than the earth.
_______________

Explanation / Answer

Answer is

The earth exerts 3.53×1022N of force on the sun, exactly the same amount of force the sun exerts on the earth found in Part A.

Mass of earth

Mearth=5.972*1024 kg

Mass of sun

Msun=1.99*1030kg

distance between earth amd sun

r=149.6*109 m

Gravitational force acting on the sun due to earth

F=GMearthMsun/r2=(6.67*10-11)(1.99*1030)(5.972*1024)/(149.6*109)2

F=3.53*1022 N

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