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Asked by Mrinal Kanti Last Modified
Answer 
Yashank Singh
Tutor
Abhijit Barman
Tutor
in the sense of physics no work has done.in this case force acting on earth and tangential displacement are perpendicular.in the following cases no work is done,1.when applied force and displacement are orthogonal ( perpendicular).2.net applied force is zero.3no displacement after the application of the force.
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Work Done= ∫F.ds = ∫F.s.cosθ= ∫F.s.cos90º = Zero as Movement of earth is perpendicular to the Gravitational Force applied on earth by the Sun, hence force is perpendicular to the displacement. So work done is Zero. Hence, I do not agree to your statement.
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