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Center of mass is defined as the point about which the sum of mass moment vectors of all the points of the body is equal to zero.

Center of mass = [(mass of a point object)*(distance of that point from origin)]/(Total mass)

For a rigid body we need to integrate this expression.

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Q: How do you define the center a mass for a system?
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What does center of mass define?

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What is the name of the center of the solar system?

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Do galaxies orbit an object?

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Does a solar system orbit a star in the center and the star?

The rest of the solar system orbits a star (the Sun) which stays at the centre. To be precise, the whole solar system revolves around its center of mass. The Sun has about 99.85% of the entire mass of the solar system. So, its not surprising that the center of mass of the solar system is close to the surface of the Sun and that the Sun more or less stays at the center.


When is the earth in the center of the solar system?

Never. The center of the Solar System is basically the Sun. Actually, the Solar System's center of mass is outside the Sun, but very near to it.


How the sun was formed at the center of the Solar System?

Well the Sun has the most mass in the entire solar system, so it would naturally be found in the center, with objects of lesser mass orbiting it.


Define laws of conservtion of mass?

The law of conservation of mass, or principle of mass conservation, states that for any system closed to all transfers of matter and energy (both of which have mass), the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed.


In the solar system where sun is present?

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Why is most of the mass of the solar system contained in the sun?

Most of the mass of the solar system is contained in the sun because the sun is at the center of the solar system. The sun makes 99 percent of the mass in the solar system.


Is the center of gravity is always in the body?

For a single body, the center of gravity (center of mass) must be within the object. It is the single point at which all of an object's mass can be considered to act. For multiple bodies in a system, the center of mass can fall within a body or anywhere between bodies. The joint center of mass is called the "barycenter."


How the center solar system effects the climate?

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Why is the sun considered the center of the solar system?

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