Big Bang Theory - What was Sheldon trying to say to Penny about Physics?

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Big Bang Theory - What was Sheldon trying to say to Penny about Physics?
Tweet Topic Started: Apr 12 2015, 04:58 AM (26,267 Views)
Zoom	Apr 12 2015, 04:58 AM Post #1
Posts: 3,426 Group: Member Member #12,146 Joined: March 16, 2015 Gender Male	S03E10 - The Gorilla Experiment. Sheldon was explaining physics to Penny about the laws of motion. Something to do with fg=mg where Sheldon was asking what does this mean and Penny doesn't know. Since i'm not familiar with science, i need help understanding the physics.



Hurry My Curry	Apr 12 2015, 06:01 PM Post #2
Master Troll Posts: 3,800 Group: Members Member #7,981 Joined: July 20, 2012 Favourite Anime Dragon Ball What Browser do you use? Firefox Favourite Manga Dragon Ball	Guessing by fg, Sheldon was really saying the force of gravity, which is equal to mass x gravity -> mg.
	Miles for mod


Accelerator	Apr 13 2015, 01:17 AM Post #3
最強の能力者 Posts: 7,505 Group: Super Moderator Member #7,059 Joined: December 12, 2011 Gender Female Country United States Favourite Anime Raildex/Monogatari, Mirai Nikki, Nanatsu no Taizai, Katanagatari, Clannad, Shigatsu, Angel Beats! What Browser do you use? Chrome Favourite Manga Tokyo Ghoul, Nanatsu no Taizai, Joshiraku, Owari no Seraph, Railgun, Mangaka-san	Fg = Weight = mass x acceleration of gravity
	唄歌い


Zoom	Apr 13 2015, 08:16 AM Post #4
Posts: 3,426 Group: Member Member #12,146 Joined: March 16, 2015 Gender Male	This is what sheldon said: Sheldon: Now, remember, Newton realized that Aristotle was wrong and force was not necessary to maintain motion. So let’s plug in our 9.8 meters per second squared as A and we get force, Earth gravity, equals mass times 9.8 meters per second per second. So we can see that MA equals MG and what do we know from this? Penny: Uh, we know that… Newton was a really smart cookie. Oh! Is that where Fig Newtons come from? Sheldon: No, Fig Newtons are named after a small town in Massachusetts. Don’t write that down! Penny: Sorry. Sheldon: Now, if MA equals MG what does that imply? Penny: I don’t know. Sheldon: How can you not know? I just told you. Have you suffered a recent blow to the head? https://www.youtube.com/watch?v=AEIn3T6nDAo So im stuck on this part. Quote: So we can see that MA equals MG and what do we know from this? Edited by Zoom, Apr 13 2015, 08:20 AM.



Accelerator	Apr 13 2015, 05:18 PM Post #5
最強の能力者 Posts: 7,505 Group: Super Moderator Member #7,059 Joined: December 12, 2011 Gender Female Country United States Favourite Anime Raildex/Monogatari, Mirai Nikki, Nanatsu no Taizai, Katanagatari, Clannad, Shigatsu, Angel Beats! What Browser do you use? Chrome Favourite Manga Tokyo Ghoul, Nanatsu no Taizai, Joshiraku, Owari no Seraph, Railgun, Mangaka-san	That we know the acceleration of a free falling body on Earth. MG = MA You can cancel out the mass. G = A
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+ Pointer	Apr 13 2015, 05:23 PM Post #6
... Posts: 7,062 Group: Elite Member Member #8,812 Joined: January 5, 2013 Gender Male	look, g is not constant, it depends on which part of the earth you live in



Accelerator	Apr 13 2015, 06:04 PM Post #7
最強の能力者 Posts: 7,505 Group: Super Moderator Member #7,059 Joined: December 12, 2011 Gender Female Country United States Favourite Anime Raildex/Monogatari, Mirai Nikki, Nanatsu no Taizai, Katanagatari, Clannad, Shigatsu, Angel Beats! What Browser do you use? Chrome Favourite Manga Tokyo Ghoul, Nanatsu no Taizai, Joshiraku, Owari no Seraph, Railgun, Mangaka-san	G is 9.81 m/s^2 on Earth. That's established and used in physics as a constant.
	唄歌い


Mihawk	Apr 13 2015, 06:19 PM Post #8
Posts: 4,804 Group: Prodigy Member #4,783 Joined: March 2, 2010 Gender Not Specified	9.8 is actually an average of Earth's acceleration due to gravity. But it is essentially a constant for our purposes. The difference is negligible unless you're on the poles or something.



+ Pointer	Apr 13 2015, 06:31 PM Post #9
... Posts: 7,062 Group: Elite Member Member #8,812 Joined: January 5, 2013 Gender Male	Accelerator Apr 13 2015, 06:04 PM G is 9.81 m/s^2 on Earth. That's established and used in physics as a constant. it is as constant as the boiling temp of water my friend i doubt you can boil the water at 100 degree in celsius on the top of himalaya, and also if you are on the pole the infamous g would be different



Zoom	Apr 15 2015, 08:23 AM Post #10
Posts: 3,426 Group: Member Member #12,146 Joined: March 16, 2015 Gender Male	Accelerator Apr 13 2015, 06:04 PM G is 9.81 m/s^2 on Earth. That's established and used in physics as a constant. Is that what Sheldon means when he said if we plug in?



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