Why is it that the Earth’s gravity is powerful enough to pull aeroplanes down from the sky if they didn’t move fast enough yet we can easily raise our arms in the air without feeling any force pulling on them?

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Why is it that the Earth’s gravity is powerful enough to pull aeroplanes down from the sky if they didn’t move fast enough yet we can easily raise our arms in the air without feeling any force pulling on them?

In: Physics

8 Answers

Anonymous 0 Comments

ELI5: relax your arms and they will fall down. Small things take less effort to lift than big things, but they all take _some_ effort to lift.

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