Gravitational force is an attraction between masses. The greater the size of the masses, the greater the size of the gravitational force (also called the gravity force). The gravitational force weakens rapidly with increasing distance between masses.

In the case of gravity, mediated by spin 2 particles, charge is mass, which is always positive. Thus, q1q2 is always greater than zero, and gravity is always attractive. For spin 0 force mediators, however, there is no restriction on the charges and you can very well have repulsive forces.

The mass of an object is the amount of matter it contains, regardless of its volume or any forces acting on it. Gravity is a force that attracts objects toward the Earth. The weight of the object is defined as the force caused by gravity on a mass.

Gravity is a downward pull or force that the earth exerts on your body. Your centre of gravity is the point where the mass of the body is concentrated. The centre of gravity (COG) of the human body is a hypothetical point around which the force of gravity appears to act.

Females have a lower centre of gravity than males because they are generally shorter than men and have smaller bones and frames.

On average, a woman’s center of gravity is 8- to 15-percent lower than a man’s, according to an article in the academic journal Theoretical Biology and Medical Modelling. Some women won’t be able to win the center of gravity challenge, and some men will victoriously hover without faceplanting.

Yes, it can. For example, in case of a ring, it is situated at the centre of that circle. But the material is only along the circumference. Hence centre of gravity is situated outside the material of the body.

Centre of gravity, in physics, an imaginary point in a body of matter where, for convenience in certain calculations, the total weight of the body may be thought to be concentrated.

The center of gravity shifts as the person moves and bends. The act of balancing requires maintenance of the center of gravity above the feet. A person falls when his center of gravity is displaced beyond the position of the feet.

Centre of mass is the point at which the distribution of mass is equal in all directions, and does not depend on gravitational field. Centre of gravity is the point at which the distribution of weight is equal in all directions, and does depend on gravitational field.

1 : center of mass. 2 : the point at which the entire weight of a body may be considered as concentrated so that if supported at this point the body would remain in equilibrium in any position.

The center of mass ‘s main characteristic is that it appears to carry the whole mass of the body. The total mass x the position of the center of mass= ∑ mass of the individual particle x the position of the particle. The center of mass is a geometric point in three-dimensional volume.

Taking the sum of the average value of the weight/volume times the distance times the volume segment divided by the weight will produce the center of gravity.

Your center of gravity is the balance point in your body. It’s the point at which your upper and lower body weight is balanced. Typically, this is just below the belly button and half way between the lower back and belly when a woman is standing upright. For a man, it is slightly above the belly button.

No,an object can not have more than one centre of gravity.

To lower the centre of gravity of an object, the object should be made to be wider and heavier at the lower part of the object body. This would be helpful to prevent small angles of deviation from the vertical to produce a bigger moment for the object to fall to the side, which would make it more stable.

A solid body can be balanced by supporting it at its centre of gravity. For example, a uniform metre rule has its centre of gravity at the mark 50cm. This point where the rule is supported is its centre of gravity.

Gravity keeps everything on Earth from floating away! Gravity is the force that pulls objects to Earth. Without gravity, we would have no atmosphere. This means that there would be no air to breathe.

Six weighty facts about gravity

• Gravity is by far the weakest force we know.
• Gravity and weight are not the same thing.
• Gravity makes waves that move at light speed.
• Explaining the microscopic behavior of gravity has thrown researchers for a loop.
• Gravity might be carried by massless particles called gravitons.

Gravity is a very important force. Every object in space exerts a gravitational pull on every other, and so gravity influences the paths taken by everything traveling through space. It is the glue that holds together entire galaxies. It keeps planets in orbit.

Put a globe in the center of the floor and tell students that gravity is pulling them towards it really really hard. One group at a time, ask them to form themselves around the globe so that they are as close to it as possible. Explain that Earth’s gravity is incredibly strong and pulls objects towards its center.

Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is. Earth’s gravity comes from all its mass.

We overcome gravity that binds us to the ground by flying in aircraft. We even, in a sense, defy gravity when we pick up and hold an object. We apply enough force through muscle power to prevent the object from falling back to Earth. We even ‘overcome gravity’ by standing or walking without falling over.