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Grade 12General Physics

Explain about the Centre of mass of Earth - moon system and its rotation around the sun?

Profile image of kalyan
9 Years agoGrade 12
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1 Answer

Profile image of SAI SARDAR
ApprovedApproved Tutor Answer9 Years ago
dear kalyan,
                     The earth -moon system rotates about the common centre of mass. The mass of the earth is about 81 times that of the moon. Hence the centre of mass of the earth-moon system is relatively close to the earth. The gravitational attraction of the sun is an external force that acts on the earth-moon system. The centre of mass of the earth-moon system moves in an elliptical path around the sun.