Where does the gravity go?
363110
During fusion hydrogen is converted into helium and the mass does NOT stay the same.  A small fraction of the mass is lost to energy, and this how the sun produces all its energy.  So yes the sun is losing mass and the force of gravity is decreasing but the fraction of the mass that it is losing is negligible.
109780
As you move "downward" towards the center of the Earth, gravity will decrease. As you pass through the exact, physical center of Earth, gravity will be zero. As you move away from the center, gravity will begin to increase.\n\nYou can roughly compute the force of gravity with this formula --\n\ng = G*m/r^2\n\ng - gravitational force in Newtons\nG - gravitational constant (6.673^minus 11)\nm - mass of Earth\nr - distance from center of mass
404666
By the pull of earth's gravity
1123435
Hi, its not gravity but a force opposite to gravity that prevents a boat from sinking and keeps an airplane in the air. Sorry, but I forgot the name of the force, I think it begins with a B. O, the second person said it- Buoyancy.
841133
'Does gravity work on water vapor's '  -- yes, gravity works on everything...\n\nthen\n\n' why they go upward?'  -- recall Newton's second law of mechanics, F=ma, here F is not just a single force. It is rather a net result of all forces acting upon the body. That's what determine finally how that body with mass m is going to move.\n\nSame with water vapor -- there is another force in addition to gravity acting upon it, called buoyancy (recall Archimedes law of buoyancy) that is opposite and greater than (or equal to) gravity resulting in a motion you mention.
939750
W=mg ... where g is the gravitational acceleration
1081934
There are too many formulas to calculate that answer. You have to take in account for example, position of object to find potential energy, mass and the weight due to the gravitational force, also Force that is going to be exerted the object and the amount of that energy that will be lost. SO it is a lot to  find that out. But their is not one formula for it. Sorry, But if you do find out Let me know.
261529
Gravity is a force which keeps you stay in groud. For instance if you drop a pencil it falls to earth, if you through a ball to sky the gravity slows the upward thrust give by you to the ball & then pull it back to ground. Like this you can gine "n" no. of examples
844498
You have uncovered one of the secrets of the universe. Simple Harmonic Motion (SHM) surrounds us in every aspect of the universe. It is the lowest common denominator. Even Newton got it slightly wrong in his First Law where he said that a body will continue in uniform motion until an external force acts upon it. There is nowhere in the known universe that gravity does not exist.\n\nConsider an air table which is flat and which extends in all directions by a million miles, and it rests on the earth. place a puck on it and give it a gentle nudge. It will move off in the direction you push it at an apparently constant velocity, however it will eventually stop and return to the point where it started because of the earth's gravitational field. It will shoot past and head off in the opposite direction until it stops again, being pulled back by the earth's gravitational field. It will continue this way forever (ignoring all friction), oscillating in simple harmonic motion. \n\nNewton's problem was that he was restricted to observing a very small portion of the SHM path, so it seemed linear.\n\nAnyway, congratulations, you are on the path to unlocking the secrets of the universe.
1109075
Einstein's law of gravitation. It certainly looks nicer than Newton's :P
528357
because of the gravitational pull on the water, it comes down, not straight
533693
Gravity is a very weak force.  Think of a fridge magnet.  A small magnet, or large for that matter, will stick to a fridge despite the gravity from the entire earth pulling it down.
474542
Gravity does not change the mass of an object, only its weight.\n\nIf you travel away from the Earth, or any concentration of gravity, you will weigh less, but your mass is unchanged.
966128
use the universal law of gravitation to find the force of gravity at the inner radius.  Use 1kg as your second mass (mass is irrelevent in this next part anyways), and use this force to find the accel of gravity.  Using the force and accel of gravity, you can find the kinetic energy needed in order to overcome the potential gravity of the planet (m cancels).  with kinetic energy you can find velocity, and with velocity and radius, period.  Hope that helps.\n\nfor the second part, repeat, except with the outer radius as D.
912569
I think F is the answer. Taking acceleration due to gravity is constant at 9.81ms^-2, but this assumes that air resistance is neglected, and g is a constant.\n\nIf air resistance is NOT neglected, and acceleration due to gravity is not taken to be constant, H is the correct answer. The rest of the options are wrong.
279317
gravity.\n\nany shape of mass that is not spherical is gravitationally unstable
651719
Mass.\n\nStuff which weighs a lot sucks other stuff towards it.\n\nIt's the sun's mass which keeps the Earth from flying off in a straight line into space.\n\nAnd it's the Earth's mass which pulls us towards its centre.