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What is any circle on the surface of a sphere whose center is at the center of the sphere?
Any circle on the surface of a sphere whose center is at the center of the sphere is known as a "great circle." Great circles represent the largest possible circles that can be drawn on a sphere and divide the sphere into two equal hemispheres. The equator of a planet and the lines of longitude are examples of great circles. In contrast, smaller circles that do not have the same center as the sphere are called "small circles."
What does the radius of a sphere?
The radius of a sphere is equal distance from the center of the sphere to all points within the sphere.
Segment joining the center to a point on a sphere?
It is the radius of the sphere
What do you call the distance from the center of the sphere to a point on the sphere?
The radius
Intersection of sphere and plane that contains center of a sphere?
great circle
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.
Is center of gravity lies where there is no mass?
That all depends on the shape of the object and how its mass is distributed. The center of gravity of a solid sphere is at the center of the solid sphere. The center of gravity of a solid cube is at the center of the solid cube. The Earth's center of gravity is at the center of the Earth, and there's certainly plenty of mass there. But the center of gravity of a ring is at the center of the ring ... an open space where the finger goes.
When the force of gravity is calculated using a large spherically symmetric mass like the Earth the distance is measured to the centre of the sphere why is this so?
Teh force of gravity is measured form the center of gravity, thus the center of gravity of the object is appropriately the center of the force. The center of the sphere is also the center of gravity of the sphere.
What is the center of gravity for a spherical object?
The center of gravity for a spherical object is located at the exact center of the sphere. This point is equidistant from all points on the surface of the sphere, making it the point where the force of gravity can be considered to act on the object.
What is the effect of gravity inside a solid sphere?
The effect of gravity inside a solid sphere is that it pulls objects towards the center of the sphere, with the force of gravity decreasing as you move towards the surface. This is because the mass of the sphere is concentrated at the center, creating a gravitational pull towards that point.
Center of mass of Earth's atmosphere?
Assuming that the Earth's atmosphere is a perfect sphere, then the atmosphere's center of mass will be at the point equidistant between Earth's poles (i.e. the center of the Earth!).
How does the centre of gravity change as the size of the object changes?
The location of an object's center of gravity depends on the object's shape, and on how its mass is distributed throughout its shape, but not on its size. The center of gravity of a homogeneous sphere is at the center of the sphere, no matter whether the sphere's radius is 1 millimeter or 1 light year.
Is the mass the same as a diametre?
No. Mass is the weight of an object. Diameter is the distance from one side of a circle or sphere to the other side passing through the center.
What is the electric potential at the center of a sphere?
The electric potential at the center of a sphere is zero.
Is the center of a great circle also the center of a small circle?
No. Every circle on the sphere whose center is also the center of the sphere is a great circle. If the circle's center is not also the center of the sphere, then the circle is a small circle.
What is the formula for the mass of a sphere?
The mass of a sphere is 4/3*pi*r3*d where r is the radius of the sphere and d is the density of the material of the sphere.
What will be centre of gravity of sphere full of water and it is leaking?
If the sphere of water remains a sphere as it leaks, and the water leaving the boundary of the sphere are no longer considered part of the sphere, the center of gravity will be the center of sphere. If the sphere does not have to remain a sphere as it leaks, if it was in a spherical container, the center of gravity would move downward from center, approaching the source of leakage.
