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Applies to questions of primarily educational value - not only questions that arise from actual homework assignments, but any question where it is preferable to guide the asker to the answer rather than giving it away outright. Please READ THE GUIDANCE IN META before asking homework-like questions.

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Are we slightly lighter during the day and slightly heavier at night, owing to the force of ...

Setting aside tidal force. Distance to sun aprox. 150*10^9m +(-)637*10^3m ,and since earth(masspoint) always in free fall it makes on average 0.006m/s2*(150E9m+637e3m)^2/(150E9m-637E3m)^2 -0.006m/s2 = …
Timo Moilanen's user avatar