Hammer and feather drop on moon

If you drop a hammer and a feather on the moon, will they hit the ground at the same time?

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26 comments posted so far. Login to add a comment.

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Picture of minkki38 achievements

+25 1. minkki commented 14 years ago

Haha, In the end they start dancing and beeping around the hammer =D
Picture of Ceasedx16 achievements

+14 2. Ceasedx commented 14 years ago

no it's the moonwalk xDD
Picture of Chrisofskjern36 achievements
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-10 3. Chrisofskjern commented 14 years ago

Ofcourse they hit the ground at the same time. Its the same even if you drop a ferry and a piece of cotton... When it's in a vaccuum it will always hit the ground at the same time.

Science FTW! I bet Jesus didn't know that!
Picture of kamasam5 achievements
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-20 4. kamasam commented 14 years ago


of course Jesus knew that, who do you think invented gravity?
Picture of SpikedSilver26 achievements

+15 5. SpikedSilver commented 14 years ago

#1 its hammertime
Picture of Dokandre40 achievements
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-7 6. Dokandre commented 14 years ago

#3 it had never been really "proved", since its quite impossible to do it on earth. theory is something, but it allways needs some testing to earn credibility

but ye, most ppl were aware of that by the time
Picture of WildMonkey32 achievements

+14 7. WildMonkey commented 14 years ago

OMFG so that's why they went to the moon!

I could have saved them a lot of money.
Picture of barf22 achievements

+3 8. barf commented 14 years ago

#6 As far as I know, they were able to create a vacuum in the 1970s, so I bet it was proven long before people went to the Moon... Testing it out there was just double-checking ;)
Picture of dave919145 achievements

+10 9. dave9191 commented 14 years ago

The first moon landing was on July 20, 1969, before your 1970's vacuum theory. Tho I'm sure that they could make a vacuum way before the 1970's, since all you're doing is sucking the air out of a container. And they probably tested components of rockets in vacuums before sending them out.
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-11 10. aradal888 commented 14 years ago

That's possible in a man-made vacuum... But moon is diff'rent, it has gravity.
Picture of patriotaus39 achievements

+15 11. patriotaus commented 14 years ago

and our vacuums dont have gravity?
Picture of richardhalo20 achievements
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-16 12. richardhalo commented 14 years ago

This video is weird. On the moon there's a small gravity and no matter how gravity is, it reacts on objects the same way as on Earth. Heavier objects fall faster than the lighter ones. How can a feather which is thousand times lighter than a hammer, falls in the same time with the hammer? Hmm...
Picture of patriotaus39 achievements

+14 13. patriotaus commented 14 years ago

richardhalo, heavier objects do not fall faster. it is based on air friction that makes the feather fall slower on earth because the atoms and molecules in air hit against the object as it falls hence the lighter the object is, the more impact these particles will have on decelerating the object from the acceleration of gravity.

Gravity on earth pulls at about 9.8 metres per second per second. notice that does not say per kg.
Picture of antifolklore28 achievements

+4 14. antifolklore commented 14 years ago

We did this test during science class way back. A vacuum pipe with a feather a small lead ball and a piece of paper. And they went at equal speeds through the pipe.
Picture of badboy00748 achievements

-4 15. badboy007 commented 14 years ago

#1 They are not dancing, its just the way they move since there's no gravity.
Picture of ringmaster54 achievements

-4 16. ringmaster commented 14 years ago

#11, usually I am careful with moderators, but this time: Vacuums have no gravity themselves though they often lie in gravity fields. Vacuums in general have no push power, that is why weak glass surrounding them often implodes and plastic with nothing is flat.
Picture of THEHOFFY14 achievements

+3 17. THEHOFFY commented 14 years ago

they done this on mythbusters by putting them in a huge vacuum and yes this is real becouse of the air resitance ore somthing is the same so there is the same ammount of drag on them both pretty cool tbh
Picture of MsZoomy34 achievements

+3 18. MsZoomy commented 14 years ago

Wow, I'm impressed, I was expecting a totally different argument in here!!!
Picture of moskwiz36 achievements

+3 19. moskwiz commented 14 years ago

... lol ... pretty much every second commentator states something silly and fail :D
Picture of mmmendal46 achievements

+3 20. mmmendal commented 14 years ago

You better not drop it on your toes there.
Closest hospital is 384,403 kilometres (238,857 mi) away.
Picture of MenelecJoe15 achievements

-4 21. MenelecJoe commented 14 years ago

"dancing and beeping around the hammer" - real world first person lol :) i like the: "a falcon feather...from a falcon" they say part of the entry shielding is made from dove feathers, so you can see where hes coming from... makes me think, why do they say "re-entry" since getting into space is more of an exit routine?
Picture of patriotaus39 achievements

-2 22. patriotaus commented 14 years ago

#16 your comment just fails. yes what you say is correct but you seem to suffer in comprehending what i was saying.
Picture of drevil29 achievements

+3 23. drevil commented 14 years ago

Apollo 15 (July 26–August 7, 1971)

Picture of Jansevskis14 achievements

-2 24. Jansevskis commented 14 years ago

from 0:43 till the end R2D2 was also talking something or celebrate
Picture of Miq2u14 achievements

+2 25. Miq2u commented 14 years ago

My only comment about this whole thing has nothing to do with the video which is really a shame. It has to do with the ensuing discussions. My comment is on the failure of our education systems to teach our children (past and present) the basics, AND the failure of parents to ensure their children receive a proper education. Sadly I can't place all the blame on parents or the education system. Currently there are way too many of us are happier in our own ignorance than in the ability to understand that WE actually are not the center of the universe.

Most of these discussions should never have happened unless the misunderstanding people in question are under the age of 14.

Now that's enough on that, let's go to the school sponsored sports program of your choice... Get rid of Recess in schools, but for goodness sake let's keep sports a school function!
Picture of KaOssis1 achievements

0 26. KaOssis commented 14 years ago

Now that is pretty silly, the feather had no protection from the solar radiation and 250C heat whatsoever, it should have burned up to a crisp in less than a second if that was really the moon!