right below your belly button.
Yes, equal to the weight of the humans.
gravity
No. Not yet anyway.
It is always different depending on the object. For example a female humans' center of gravity is in the hip. as a male humans' center of gravity is in the chest. But once you have found the center of gravity in an object the center of gravity should be the same in every object like it.
Gravity plays the central role; without gravity, there would be no such thing as an orbit.
Gravity.
the force which lies in the center of the gravity
central Africa
Less gravity.
gravitational force
The lack of gravity and exposure to artificial gravity severely weakens bones.
the force which lies in the center of the gravity