MythBusters

[Cold Steel]

Gravity does NOT affect differently. It's called wind resistance. Think not? Place your same feathers on top of the pound of lead and then drop. What happens? The feathers and pound of lead fall at the same speed. That's because the you've eliminated the effect of wind resistance on the feathers. Better yet, place your feathers by themselves in a vacuum and drop.

 

[smack Down]

Originally posted by: Cold Steel
Gravity does NOT affect differently. It's called wind resistance. Think not? Place your same feathers on top of the pound of lead and then drop. What happens? The feathers and pound of lead fall at the same speed. That's because the you've eliminated the effect of wind resistance on the feathers. Better yet, place your feathers by themselves in a vacuum and drop.

Way to miss the point genius you can show anything you want in a video.

 

[Cold Steel]

Who said anything about a video?

Honestly, how old are you and what's your education? I ask because you obviously have no knowledge of physics at all.

I actually studied physics, not as a major, I'm a semiconductor process engineer, but the point is that the part about dropping feathers both in a vacuum and on top of a lead weight I actually DID that MYSELF in physics lab. There was no video involved.

 

[smack Down]

Originally posted by: Cold Steel
Who said anything about a video?

Honestly, how old are you and what's your education? I ask because you obviously have no knowledge of physics at all.

I actually studied physics, not as a major, I'm a semiconductor process engineer, but the point is that the part about dropping feathers both in a vacuum and on top of a lead weight I actually DID that MYSELF in physics lab. There was no video involved.

BlinderBomber you know the person I quoted.

 

[LegendKiller]

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

You're the one ignoring physics.

 

[smack Down]

Originally posted by: LegendKiller

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

You're the one ignoring physics.

Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

 

[Jeff7]

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

Are you freaking kidding me? Did you ever take a basic physics course?

5kg of feathers and a 5kg bowling ball, inside a vacuum.
Drop them. They will each experience 9.8m/s^2 of acceleration, which acts upon the same mass, thus they both experience the same force - 49N. Both will fall at the same rate, and hit the ground at the same time.
Here on Earth, we have air. That's what screws with that - 5kg of feathers has much higher wind resistance, because it has a much larger surface area. That's the only reason why it takes longer to fall.

Now, concerning the physics of a car vs a plane:
How does a car move forward? The wheels turn, which pushes against the ground. The reaction to this is that the wheels then push against the bearings, which pushes the car forward. The speed of the car is thus a direct function of the wheel speed.

How does a plane move forward? The engines push directly on the body of the plane. This thrust is independent of the speed of the ground. Yes, there will be some bearing friction, but it is minimal - that's the whole point of wheels: to minimize friction with the ground. Since thrust is not a function of ground speed, thrust remains constant, no matter what the ground happens to be doing relative to the plane. F = ma --> f/m = a. With a force acting upon a mass, acceleration occurs. Plane moves forward through the air, airfoil starts to generate lift, plane takes off.


Here we go, concerning friction with the ground:

Originally posted by: ThePresence
Planes can take off with skis on ice.

/thread

A plane that lacks wheels, which reduce friction with the ground, can still take off. There still, the thrust acting on the plane is largely independent of the ground. Again, f = ma.

 

[ElFenix]

Originally posted by: smack Down

Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

G-d, duh

 

[CorCentral]

Here's Jamie from Mythbustersexplaining that the show is coming soon.

There are tons of other cool clips at this link from all of the Discovery shows, so eat your heart out

 

[BeauJangles]

Originally posted by: smack Down

Originally posted by: Cold Steel
Who said anything about a video?

Honestly, how old are you and what's your education? I ask because you obviously have no knowledge of physics at all.

I actually studied physics, not as a major, I'm a semiconductor process engineer, but the point is that the part about dropping feathers both in a vacuum and on top of a lead weight I actually DID that MYSELF in physics lab. There was no video involved.

BlinderBomber you know the person I quoted.

Put it this way. I don't have nearly the physics background you do, and I can understand why the plane will take off. Sorry, but hiding behind equations and changing the question doesn't change the end result - the plane takes off. End of story.

 

[Throckmorton]

Originally posted by: smack Down

Originally posted by: LegendKiller

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

You're the one ignoring physics.

Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

Stand on a treadmill wearing skates and tell me you can't pull yourself forward with the rails

 

[smack Down]

Originally posted by: Throckmorton

Originally posted by: smack Down

Originally posted by: LegendKiller

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

You're the one ignoring physics.

Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

Stand on a treadmill wearing skates and tell me you can't pull yourself forward with the rails

What does that have to do with anything? So you can move faster then a treadmill what is your point?

 

[Maiora]

What does that have to do with anything? So you can move faster then a treadmill what is your point?

Why hasn't the mod banned this fucking waste of oyxgen yet? Of course the plane will move forward you fucktard. Just get the fuck out of this thread fucking already. You're making everyone that reads it have an IQ drop worse than the stock market. Jesus Fucking Christ! :|

If there was a name for ignorance of science it would be your middle fucking name!

 

[her209]

link

 

[Venix]

Originally posted by: smack Down

Originally posted by: LegendKiller

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

You're the one ignoring physics.

Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

Your "physics" is gibberish. You don't even use the correct equations, you repeatedly confuse linear and rotational kinetic energy, yet you expect a real response? Did you fail high school physics?

waggy's "smackdown is an idiot" response is about all that post deserves.

 

[SampSon]

Wow, another one of these threads, and there are still morons who argue the plane will not take-off.

Anyone who starts one of these threads should be banned, though Slacker should receive a get out of jail free card because the topic is just about the mythbusters shod.

 

[LuckyTaxi]

mythbuster is lame. the one guy is so god damn annoying, he's so freaking hype i wish his partner would put him in a canon and shoot him out of it.
the other guy's voice is horrible. someone should take his moustache and strangle his partner w/ it.

 

[smack Down]

Originally posted by: Venix

Originally posted by: smack Down

Originally posted by: LegendKiller

Originally posted by: smack Down

Originally posted by: BlinderBomber

Originally posted by: smack Down

Energy isn't used it is converted from one form to another. Just explain how the plane gets the additional energy.

Regardless of energy, a plane and a car do not behave identically on a treadmill. Look through this thread - watch the youtube videos if you really don't believe us, but the freaking plane takes off.

Right lets ignore the physics and look at a video. Want me to post a video of a pound of fathers falling and a pound of lead as proof that gravity affects them differently?

You're the one ignoring physics.

Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

Your "physics" is gibberish. You don't even use the correct equations, you repeatedly confuse linear and rotational kinetic energy, yet you expect a real response? Did you fail high school physics?

waggy's "smackdown is an idiot" response is about all that post deserves.

Care to state where I confused linear and rotational kinetic energy

 

[Eeezee]

Originally posted by: Soviet
Well its about friggin time lol, this crap has been going on for ages. I personally think it will crash but thats just me.

Knowing mythbusters, it's most likely to explode. They'll get bored and strap dynamite to the plane or something insane like that, which is what usually happens (not that this is a bad thing).

 

[Eeezee]

Originally posted by: Jeff7

Originally posted by: sandorski
Even Physicists disagree on this, so I'm not gonna get into this debate. Except to say: There are 2 varying Pressures involed. One is lower, the other is higher. Which causes Lift or what the exact relationship between them is, is not fully understood.

Really? Where is it debated? At least at subsonic speeds, I thought it was pretty well figured. Supersonic speeds, then things get a bit weird.

Link

Maybe the very basics of an airfoil are understood, but the exact understanding of the airflow on a very small level is the problem. Or if you want exact calculations, then you might have to factor in that oh-so-fun phenomenon: turbulence. Good old chaotic, inherently unpredictable, turbulence.


In any event, on a standard passenger jet or single-engine plane, it's the wing shape that produces lift when air flows over it. In a plane like a Cessna, yes, the propeller happens to push air over the wings, but not nearly enough to take off - otherwise, a Cessna would be a vertical-takeoff aircraft. It's the motion of the plane through the air, with sufficient speed, that lets the airfoil work its magic.

I believe that if the propeller were pushing enough air over the wings, it really could be a vertical-takeoff aircraft (massive/powerful propeller). What's the difference between the airplane moving through the air and air moving across the wings? There isn't any.

 

[Eeezee]

Originally posted by: Cold Steel
Gravity does NOT affect differently. It's called wind resistance. Think not? Place your same feathers on top of the pound of lead and then drop. What happens? The feathers and pound of lead fall at the same speed. That's because the you've eliminated the effect of wind resistance on the feathers. Better yet, place your feathers by themselves in a vacuum and drop.

The coolest video ever is the bowling ball and feather side by side falling in a vacuum. It blows intro students' minds when they see it, and I think they get a better grasp of what's going on.

 

[Eeezee]

Originally posted by: smack Down
Explains where the additional energy comes from? You can't so you will make some irrational noise about free spinning wheels.

Sorry, I missed the original question and don't feel like looking for it. What energy are you talking about?

 

[Eeezee]

Originally posted by: Maiora

What does that have to do with anything? So you can move faster then a treadmill what is your point?

Why hasn't the mod banned this fucking waste of oyxgen yet? Of course the plane will move forward you fucktard. Just get the fuck out of this thread fucking already. You're making everyone that reads it have an IQ drop worse than the stock market. Jesus Fucking Christ! :|

If there was a name for ignorance of science it would be your middle fucking name!

He just misunderstands, it's not like that's breaking forum rules. Science is about asking questions and making observations. He just hasn't made enough observations to understand that his hypothesis is wrong.

 

[smack Down]

Originally posted by: Eeezee
Sorry, I missed the original question and don't feel like looking for it. What energy are you talking about?

Originally posted by: Eeezee

Originally posted by: Maiora

What does that have to do with anything? So you can move faster then a treadmill what is your point?

Why hasn't the mod banned this fucking waste of oyxgen yet? Of course the plane will move forward you fucktard. Just get the fuck out of this thread fucking already. You're making everyone that reads it have an IQ drop worse than the stock market. Jesus Fucking Christ! :|

If there was a name for ignorance of science it would be your middle fucking name!

He just misunderstands, it's not like that's breaking forum rules. Science is about asking questions and making observations. He just hasn't made enough observations to understand that his hypothesis is wrong.

Hey so you missed the question but no the answer is wrong?

 

[rikadik]

In order to understand how smack Down thinks I am actually contemplating drinking a gallon of methylated spirits and then running head first into a moving bus in an attempt to emulate his thought process.

So far the only viable hypotheses I can deduce from his postings are that:

1) Planes work much the same as cars, but fly because of the pilots' magical powers;
2) The greatest threat to human evolution and technological advancement is the risk of smack Down having any offspring;
3) There is no positive correlation between ATOT post count and intelligence; and/or
4) smack Down is a cat walking across the keyboard.