1 Reply by The Yell (edited by TheYell 26-Mar-2008 10:38:58)

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Re: The affect of gravity

what effect are you talking about?

they showed on the Moon that absent the air a feather and a hammer fall at the same rate

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Re: The affect of gravity

Of course gravity has an effect on a falling object. Gravity is what makes an object fall.

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Re: The affect of gravity

No, dropping an object or pushing it over is what makes it fall. Gravity just helps a bit

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Re: The affect of gravity

> Loz is my style icon wrote:

> No, dropping an object or pushing it over is what makes it fall. Gravity just helps a bit

Sorry Loz but that's not what happens.

To answer the OPs question.
yes.
If you drop an object from a high mountain with an initial velocity of 0 it will accelerate downwards at 9.8ms^(-2) which is the acceleration due to gravity.  There is a force acting *against* the falling of the object which is air resistance - howevr
gravity > air resistance
and therefore the object will always fall downwards due to gravity.

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Re: The affect of gravity

Loz.
i am truly amazed by your explanation =\ i do hope that was a feeble attempt at sarcasm OR that you are a 9 year old child who doesn't know better.
Because gravity is a basic physics concept - hell its a general knowledge concept that everyone shuld knw -.-

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Re: The affect of gravity

Loz... if you throw an object UPWARDS, it'll quickly turn and come back down (unless you can throw at the surface escape velocity)... air resistance is almost inexistant unless an object has a very large surface area:mass ratio, or is moving very quickly

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Re: The affect of gravity

What made me laugh is how serious people reacted big_smile

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Re: The affect of gravity

of course yikes
s/he was insulting physics :'(

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Re: The affect of gravity

I don't believe in gravity.

I don't believe that the planet and I are pulled together, but that space pushes us together.

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Re: The affect of gravity

I do think (but I don't really have any knowledge of this subject) that the stronger the gravity is, the harder a thing will fall.

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Re: The affect of gravity

Hehe, I was just trying to annoy Muppet! How wonderful how deeply physics stirs your passions tongue

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Re: The affect of gravity

gravity pulls with something like 9,81 newton on a kilo

The air resistance reduces that speed

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Re: The affect of gravity

Gravity is made by little Dutch squirrel men running about beneath the surface of the Earth with special candyfloss magnets. You can't disprove me!

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Re: The affect of gravity

> paul valter pihlo wrote:

> I don't believe in gravity.

I don't believe that the planet and I are pulled together, but that space pushes us together.<

Entirely possible.

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Re: The affect of gravity

Einstein disproved it but I guess it went unnoticed.

"Whoever said the pen is mightier than the sword obviously never encountered
automatic weapons."-General Douglas MacArthur
"Cluster bombing from B-52s are very, very, accurate. The bombs are guaranteed
to always hit the ground."-USAF Ammo Troop

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Re: The affect of gravity

"possibly but hasnt gravity been proven!? hehe!"

Or we proved that what we think is 'gravity' is apparent in our universe, said 'gravity' being the effect of the phenomenon pvp suggested.

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17 Reply by avogadro (edited by avogadro 26-Mar-2008 20:28:21)

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Re: The affect of gravity

the larger the mass of an object, the more gravity it exerts. if there were two balls with the same surface area and one was the mass of an orange and the other had the mass of our sun, if you dropped the one the mass of an orange first and then dropped the one the mass of the sun second, the one the mass of the sun would hit earth in less time. but if you had two balls with the same surface area and one was the mass of an orange and the other was the mass of an apple, they would fall at the same speed until one reaches terminal velocity because the earth exerts the same force of gravity on both objects.

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