Why when we jump in the air the earth doesnt move

Question

So my 7 year old sister asked this so technically not but how can i explain it to her Edit:She means in like the earth spinning

In: 0

Answer 1

It moves a very little. It moves so very little that it isn’t measurable because even if you are unbelievably morbidly obese your mass is insignificant compared to that of the Earth.

Let’s say you weigh a health 100kg. The Earth has 60,000,000,000,000,000,000,000 times your mass.

Obligatory [XKCD](https://what-if.xkcd.com/8/) reference.