Kevin Gowen wrote:
> Ron Hitler Barrassi wrote:
> 
>>
>>
>> Kevin Gowen wrote:
>>
>>> Ron Hitler Barrassi wrote:
>>>
>>>>
>>>>
>>>> Ron Hitler Barrassi wrote:
>>>>
>>>>> So tell me again Gowen. How many forces are required to compress a 
>>>>> spring? How does a chair magically know when to push up? If you add 
>>>>> two equal and opposite forces they cancel each other; so why does 
>>>>> the chair push down? (down being the null length vector pointing to 
>>>>> the center of the earth)
>>>>>
>>>>>  | 980newtons
>>>>> \|/
>>>>>
>>>>> /|\
>>>>>  | 980newtons
>>>>>
>>>>>
>>>>> so we have fab - fba = 0. 
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> of course that should be FAB - FBA = 0.
>>>>
>>>> Want a lesson on aerofoils as well? Seems you don't understand that 
>>>> either. 
>>>
>>>
>>>
>>>
>>> Begin your lesson as soon as you answer this question, which you have 
>>> ignored:
>>>
>>> A Pratt F100 is traveling at a constant velocity of 200 m/s as its 
>>> engines produce 25,000 pounds of thrust. What is the force of 
>>> aerodynamic drag on the jet?
>>>
>>
>> Drag is impossible to calculate from the figures provided.
> 
> 
> Wrong. All the information you needed is contained in the figures 
> provided. That you would think otherwise reflects an utter ignorance of 
> what force is.

so you didn't go scurrying away to google drag? Shame, you may 
have learnt something.

BTW What am I supposed to do with the 200 m/s?