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The center of mass of a body is the point at which its mass is evenly distributed in all directions, essentially acting as the average location of the mass of the object. It is the point that moves as if all the body's mass were concentrated at that point when subjected to external forces. In a uniform gravitational field, the center of mass coincides with the center of gravity, making it crucial for analyzing motion and stability in physics. The position of the center of mass depends on the shape, mass distribution, and dimensions of the body.
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What is an apoapsis?
An apoapsis is the point of a body's elliptical orbit around the system's centre of mass where the distance between the body and the centre of mass is at its maximum.
What is an apocentre?
An apocentre is another name for an apoapsis, the point of a body's elliptical orbit around its system's centre of mass where the distance between the body and the centre of mass is at its maximum.
GRAVITY?
The force that attracts a body towards the centre of the earth, or towards any other physical body having mass
Is it necessary that centre of mass should always lie inside the body?
No, it may lie outside the body. In case of a circular ring, it is at the centre of the ring which is outside the mass of the ring.
If the centre of mass of the body and the centre of gravity of machine will be at same point then is there any possible chance for vibration?
Yes there is.
Where is the gravity center of human body on the earth?
If you want to define total centre of gravity of a person, you must know:the mass of each body segmentsthe x, y and z coordinate of centre of gravity of each body segment (3D motion)
What is the difference between center of mass and center of buoyancy?
Centre of mass is a convinient point where whole mass of the body is supposed to be acting and for bodies of small shape it concides with the geometrical centre. Centre of bouancy is the centre of the immersed portion of the body inside the liquid.
Give 5 to 6 Difference bw centroid and center of granvity?
1.centeroid is the centre where all the mass of the body exist while centre of gravity is the place where the whole mass of the body exist. 2.centeroid is composed of different words while centre of gravity consists of others.
Can centre of mass of a body can exist at point where there is no mass of the object?
Yes. For example, the center of mass of a hollow sphere would be at the empty center of that sphere.
Why is suns gravity only in the perimeter?
It isn't. Gravity can be viewed as emanating from the centre of a body with mass. As the distance increases from the centre then the gravity decreases.
What is definition of centre of curvature of lens?
define the term centre of curvature
What will be the mass of a body at the centre of the earth as compared to other places on the earth?
Mass is conserved which means that a body will have the same mass wherever it goes. But at the centre of a masive sphere the body has no gravity acting on it so its weight is zero. At an intermediated radius the force on it is obviously less than at the surface, and Isac Newton proved that a body at a given distance inside a sphere feels a gravitational force from a sub-sphere of radius equal the distance of the body from the centre. In other words the body feels no gravity from the shell outside its own radius.
