Gravity

Why do you think so ?

 

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Because it's demonstrated by reality.

Why do you think they wouldn't fall at the same speed?

 

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Mass density.

 

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From my post # 19

 

Which is completely irrelevant to gravitational attraction.

 

Mass density.

How so ?

 

You miss the point river.......[as usual

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At a Km above Earth we still have atmosphere......


It is explained simply by the fact that in the absence of air resistance, the gravity attracting the feather acts on all particles/mass of that feather, [which is much less then the hammer] while the gravity attracting the hammer is much more, it also has much more mass to attract: In essence everything cancels out so that they hit the surface of the Moon at the same time as the experiment showed.
You do accept we went to the Moon don't you river?

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So do the experiment ; drop ten tons of lead and a feather 1 km from Earth .

And I do except that we went to the moon , because the interview with an astronaut was cut off.

 

I'm not arguing that point, Like I said, air resistance.

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And you did see the famous hammer/feather experiment I linked too?
And further explains.

 

Here's the experiment done on Earth in a vacuum chamber.

 

To what pressure was the vacuum pulled ?

 

The facility can develop a vacuum of \(10^{−6}\) torr.