Science Memes

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Falling (mander.xyz)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 39 points 7 months ago* (last edited 7 months ago) (1 children)

The gravitational constant G, no, the mutual gravitational force between the earth and the ball approximated as g, yes.

Edit: Since this is a little pedantic, G is used to calculate g.

[–] [email protected] 7 points 7 months ago* (last edited 7 months ago) (1 children)

But how would that make the bowling ball fall faster? F = G × m₁ × m₂ / r² and F = m₁ × a ⇒ a = F / m = G × m₂ / r², where m₁ is the mass of the ball and m₂ the mass of the planet. So the gravitational acceleration of a bowling ball is independent of its mass (assuming the planet has way more mass than a bowling ball).

[–] [email protected] 18 points 7 months ago* (last edited 7 months ago)

I guess the bowling ball attracts the Earth towards it, shortening the distance so it hits the ground faster