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Is Gravity acting upwards or downwards?
#1
Is Gravity acting upwards or downwards?
Goddammit,i came across this thought while pushing my bike and it really struck a cord.I'd be really appreciative if someone could clear it.

I was always told that gravity was pulling us down by people,they told me that this was the reason why i came back to ground when i jump.
Correct me if i'm wrong,but i think this is the same as pushing us down.

So picture this:

You are given two objects,object X and object Y.
The mass of object Y is the double of the mass of object X.
Picture that these two objects are placed in front of you and you are asked to push them.
You'd indefinitely be able to push X better than Y,correct?

Now consider that same situation but in a vertical axis.
If there were two objects such as X and Y in the air.
Lets assume that gravity is pushing these objects down,

So,if that is true which object would gravity be able to move faster?
Obviously object X,right? Because Y is heavier than X so it is easier to move X.

If that is correct,if i threw these two objects upward.
Shouldn't the object X which is lighter than Y fall quicker than Y? (Assuming that their is no air resistance) 

So picture this,i throw a cricket ball and a mountain(same shape as that of cricket ball but higher density) up,shouldn't the ball come falling to the ground faster? Since it is easier to push it because it is lighter?

Then why in the fuck is the mountain coming down faster?? This really bugged me as fuck.

So i thought about this shit and then i formulated that maybe,

Gravity isn't really pushing us down or is it pulling us down.
Maybe,
That son of a bitch is pushing us up.
Why did i think like that?

Picture the same objects X and Y.

If i had to lift these two objects then i'd be easier for me to lift the object X than Y because X is lighter.
So if i gradually decrease the force i apply to these objects X and Y,
Y would come down faster than X,right?
Because Y is heavier and a slight decrease in the force i apply to it to keep it up would enable it to come down farther.
Whereas,
If i reduce the force with which i'm holding X up slightly,it wouldn't come as far as down like Y because it is lighter.

So,i concluded that gravity is acting upwards,i.e,pushing objects upwards.
Then why is it called acceleration due to gravity?Shouldn't it be called deceleration due to gravity?

Yeah,ok thanks for reading,i'd be grateful if someone could tell me if these thoughts really hold any credit,if yes,why? If no,why?
Or is it just another senseless blunders i too frequently come across? Dodgy
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#2
RE: Is Gravity acting upwards or downwards?
Gravity is the phenomenon of all bodies attracting each other. It doesn't work upwards or downwards.
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#3
RE: Is Gravity acting upwards or downwards?
You're confusing work (pushing the two masses) with acceleration.  When objects are accelerating due to gravity, the mass of the object doesn't matter.  Galileo demonstrated this by dropping a cannon ball and a bullet from a height, and they hit the ground at the same time.  So no, gravity doesn't 'push' or 'pull' either upwards or downwards - is an attractive force between two masses.

Boru
‘I can’t be having with this.’ - Esmeralda Weatherwax
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#4
RE: Is Gravity acting upwards or downwards?
I mean like,gravity is a force right?,then why wouldn't the mass be a factor that doesn't affect gravitational force on an object?

To my understanding force equals mass multiplied by acceleration,right?
(My goodness i feel so dumb)
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#5
RE: Is Gravity acting upwards or downwards?
(August 1, 2015 at 5:33 am)pool Wrote: I mean like,gravity is a force right?,then why wouldn't the mass be a factor that doesn't affect gravitational force on an object?

To my understanding force equals mass multiplied by acceleration,right?
(My goodness i feel so dumb)

Yes, F = ma.  But (in this case) it might help to think of 'force' as 'weight', not as the 'force' of gravitational attraction.

And yes, the gravitation constant is equal in magnitude for ALL masses (for Newtonian physics, at least.  I've no idea what happens at the quantum level).

Boru
‘I can’t be having with this.’ - Esmeralda Weatherwax
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#6
RE: Is Gravity acting upwards or downwards?
To answer your question, gravity can pull up or pull down. It pulls towards the center of mass aka the center of the earth.
To-morrow, and to-morrow, and to-morrow,
Creeps in this petty pace from day to day,
To the last syllable of recorded time;
And all our yesterdays have lighted fools
The way to dusty death. Out, out, brief candle!
Life's but a walking shadow, a poor player,
That struts and frets his hour upon the stage,
And then is heard no more. It is a tale
Told by an idiot, full of sound and fury,
Signifying nothing.
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#7
RE: Is Gravity acting upwards or downwards?
(August 1, 2015 at 6:27 am)Lemonvariable72 Wrote: To answer your question, gravity can pull up or pull down. It pulls towards the center of mass aka the center of the earth.

Ok,since i have no idea about how this thing works in the technical sense,can you think about it as,

Gravity doesn't pull towards the center of mass but rather push away from the center of mass?
And tell me if it makes atleast a least tiny bit of sense?

Probably completely stupid as fuck but,when i think about it,i think that maybe that's why we have an atmosphere.
Maybe gravity is pushing away from the center of mass?

But according to that,probably every planet with a really high gravitational field should have an atmosphere,right? Oh i donno about that
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#8
RE: Is Gravity acting upwards or downwards?
pool! are you refraining from taking meds? I'm being serious!
No God, No fear.
Know God, Know fear.
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#9
RE: Is Gravity acting upwards or downwards?
This has got to be a bait or a joke or a baiting joke.
Being told you're delusional does not necessarily mean you're mental. 
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#10
RE: Is Gravity acting upwards or downwards?
Just a second, let me clarify everything for you with my superior physics:

Bla bla geodesics bla bla bla spacetime bla
The fool hath said in his heart, There is a God. They are corrupt, they have done abominable works, there is none that doeth good.
Psalm 14, KJV revised edition

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