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stan
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in space, which falls faster, a bowling ball or feather

what do reckon?


http://www.liveleak.com/view?i=f81_1415056786 ... - .- -.




Y. O. L. O.
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Post #290584 4th Nov 2014 10:39am
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PaulTyrer



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Neither!

Brian Cox did that on the telly this week!!
Post #290593 4th Nov 2014 11:29am
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Discotigger



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Old hat guys, it's been done before!! Yawn

Apollo 15 Lunar Commander David Scott performed an experiment in view of the television camera, using a feather and hammer to demonstrate Galileo's theory that all objects in a given gravity field fall at the same rate, regardless of mass (in the absence of aerodynamic drag). He dropped the hammer and feather at the same time; because of the negligible lunar atmosphere, there was no drag on the feather, which hit the ground at the same time as the hammer.



Bet Brian Cox's experiment didn't cost as much to do though!! Whistle
Post #290609 4th Nov 2014 12:50pm
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KurtVerbose



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Got to ask, did they bring a hammer all the way from earth to do that test, or did they bring it in case their space machine needed 'fixing'?
Post #290668 4th Nov 2014 5:07pm
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Discotigger



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I think it was a rock hammer, used to collect geological samples, so they would have had one in their kit.

But I'd love to know where they got the feather from!
Post #290704 4th Nov 2014 6:54pm
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northernmonkeyjones



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Difficult question that, as general relativity theory summises that neither are falling at all......

So it would really depend on your point of view.

Aparently..... There is nothing that can't be fixed with a hammer😜😜
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Post #290728 4th Nov 2014 8:10pm
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A1GSS



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KurtVerbose wrote:
Got to ask, did they bring a hammer all the way from earth to do that test, or did they bring it in case their space machine needed 'fixing'?

Standard issue. The lunar module was made at Solihull. Graham

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Post #290731 4th Nov 2014 8:18pm
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oldcro



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Surely you mean "In a vacuum" not "In space", as without gravity both would float around.
Post #290801 5th Nov 2014 12:31am
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KurtVerbose



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Here's one of the F-1 engines that took them there. The first stage had 5 of these. It remains the most powerful single-chamber liquid-fueled rocket engine ever developed.

Click image to enlarge


This is the business end. You wouldn't want to be standing here when it gets going - 1,500,000lb of thrust.

Click image to enlarge


Here's one being tested - not as impressive as five of them launching a rocket.

If you get a chance to visit the Smithsonian in Washington it's well worth a visit.

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green

Post #290816 5th Nov 2014 7:00am
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47p2



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stan wrote:
what do reckon?


What if instead of a bowling ball we used one of Buster Gonad's nuts? Laughing Laughing
Post #290818 5th Nov 2014 7:12am
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