EX: If M is the mass of Earth as the source then the gravity force from M is W = mGM/r^2 where m is the target mass, e.g., you, G is a constant, and r is the radius from the center of mass to where you stand on the surface. We call the gravity force, W, your weight.
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Jack say: 9.8
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spot a say: Gravity is a pull which occurs between two masses according to the formula G * m1 * m2 / (r^2)
Your body has its own gravity and attracts the earth to it. When you jump up the earth moves down by the tiniest amount, When you fall back the entire earth falls up again
The gravitational pull of one mass acts at the same time on all masses but it is very hard to calculate.
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Simon say: The natural phenomenon of attraction between physical objects with mass or energy; the weakest of the four fundamental forces of nature.
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That One Person say: Gravity, in simplest terms, is the tendency of particles and bodies that have mass to attract each other. It s one of the 4 fundamental forces, though it is far weaker than the other three (Strong Nuclear Force, Weak Nuclear Force, and Electromagnetism are magnitudes stronger than gravity alone)
Your body is drawn to the planet because the mass of the Earth is faaaaaaaar denser than the mass of your body, which is why you are pulled to it, and why so much energy is required to reach escape velocity (the velocity required to escape the Earth s gravitational pull).
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md zahidul say: gravity is the force that attracts a body toward the center of the earth, or toward any other physical body having mass. Gravity is most accurately described by the general theory of relativity
which describes gravity not as a force,
but as a consequence of the curvature of space time caused by
the uneven distribution of mass/energy.
The most extreme example of this curvature of space time is a black hole,