The forces exerted by earth and a skier become an action reaction force pair when the skier accelerates while earth doesnt seem to move at all. expalin why the skier accelerates whu, e tthe earth doesn't seem to move at all?

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Physics

Grady Kelly

17 June, 06:18

The forces exerted by earth and a skier become an action reaction force pair when the skier accelerates while earth doesnt seem to move at all. expalin why the skier accelerates whu, e tthe earth doesn't seem to move at all?

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Frye · Answer 1

We know from newton's 2nd law that F = m/a. That is force directly proportional to mass and inversely proportional to acceleration. F is same for the skier and Earth but mass is different for both. m for earth is way larger than the m for skier. So, for constant Force, a of Earth must very small as compared with a of the skier.