View previous topic :: View next topic |
Author |
Message |
TheCupboard Generic Title
Joined: 25 Feb 2007 Location: USA
|
Posted: Tue Mar 11, 2014 1:11 pm Post subject: Do you want to test your knowledge of Newtonian physics? |
|
|
http://www.youtube.com/watch?v=DDSRsMGbNV8
According to the New York Times Science section, "a key to understanding the phenomenon, [said Dr. John Biggins, a Cambridge physicist] is that mathematically, a chain can be thought of as a series of connected rods. When you pick up one end of a rod, two things happen. One end goes up and the other goes down, or tries to. But if the downward force is stopped by the pile of chain beneath there is a kind of kickback, and the rod, or link, is pushed upward. That is what makes the chain rise..."
He continues, "'Finding a new physics problem in an Internet video was,' Dr. Biggins said, 'something of a treat. For a scientist it's "really reassuring" that new problems like this can pop up,' he said."
In other news, physics, (along with Newton's 3rd Law) how do they work? |
|
Back to top |
|
|
Doomination God like!
Joined: 23 Oct 2006 Location: It's NOT lupus. Posts: 6.022 x 10^23
|
Posted: Tue Mar 11, 2014 7:56 pm Post subject: |
|
|
dat energy conversion tho |
|
Back to top |
|
|
TheCupboard Generic Title
Joined: 25 Feb 2007 Location: USA
|
Posted: Tue Mar 11, 2014 9:06 pm Post subject: |
|
|
It really surprises me how few beads can be left in the jar yet the arc and acceleration of the bead string continues to astonish. I think I understand the concepts but then I watch it again and become confused.
Last edited by TheCupboard on Wed Mar 26, 2014 4:25 am; edited 1 time in total |
|
Back to top |
|
|
Ronald Rontard
Joined: 17 Aug 2005 Location: Netherlands Clan: [QnB]
|
Posted: Tue Mar 11, 2014 9:22 pm Post subject: |
|
|
I believe this is happening thanks to gravity? I believe weight is also a big factor here. |
|
Back to top |
|
|
DoomKid Unstoppable!
Joined: 09 May 2008 Location: Aussie Land
|
Posted: Sat Mar 15, 2014 12:02 am Post subject: |
|
|
This is crazy, does it by chance also have something to do with how far the bead falls until this 'chain reaction' starts? No pun intended.. |
|
Back to top |
|
|
|