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Two basic methods.
1) Experimentation. Hang it from one corner, the center of mass will be on the line downward. Hang it from another corner, that gives you another line. See where the lines cross.
2) Calculation. This requires calculating the average of all points of mass. Imagine dividing the object into small pieces, and calculating the weighted average of all x, y and z-coordinates. This usually implies using advanced mathematics, specifically, integration.
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When the line of action of a force intersects the center of mass of an object can that force produce a torque about the objects center of mass?
no
Is the center of gravity located in the center of objects made of like material?
Only objects that have the exact size, shape, mass and density distribution can have the same center of mass. Any variation and the center of gravity would move. Furthermore, only objects that are geometrically symmetrical (think sphere) can have a center of gravity at their geometric center.
How to detemine an objects mass?
use a scale to find the mass
Is it necessary to have matter at the center of mass?
No, many objects have no mass (at least no mass that is part of the body concerned) at their centre of mass. Not ,necessarily. Center of mass is an imaginary point.(at least no mass that is part of the body concerned)
What is the point in an object that moves as if all the objects mass were concentrated at that point?
That's called the center of mass.
What is the center of the mass of an object?
the center mass of an object is in the center of such objects. you can find it by spining the object. :)
What affects an objects gravity?
The object's mass, and how far you are from its center of mass.
When two objects of unequal mass orbit each other where is the center of mass?
In this case, the center of mass will be closer to the object with greater mass.
When the line of action of a force intersects the center of mass of an object can that force produce a torque about the objects center of mass?
no
Is the center of gravity located in the center of objects made of like material?
Only objects that have the exact size, shape, mass and density distribution can have the same center of mass. Any variation and the center of gravity would move. Furthermore, only objects that are geometrically symmetrical (think sphere) can have a center of gravity at their geometric center.
Were does gravity pull you?
Toward the center of mass of the object or objects attracting you. Gravity also pulls it/them toward the center of mass of you.
Where does a black hole pull objects?
To its center of mass (the singularity)
Explain how to calculate the position of the common centre of mass of the Earth-Moon system?
The distance from the center of mass to Earth, times the mass of the Earth, must be equal to the distance of the center of mass to the Moon, times the mass of the Moon. (For more than 2 objects, the calculation is somewhat more complicated - reading about "center of mass" can give you an idea.)The distance from the center of mass to Earth, times the mass of the Earth, must be equal to the distance of the center of mass to the Moon, times the mass of the Moon. (For more than 2 objects, the calculation is somewhat more complicated - reading about "center of mass" can give you an idea.)The distance from the center of mass to Earth, times the mass of the Earth, must be equal to the distance of the center of mass to the Moon, times the mass of the Moon. (For more than 2 objects, the calculation is somewhat more complicated - reading about "center of mass" can give you an idea.)The distance from the center of mass to Earth, times the mass of the Earth, must be equal to the distance of the center of mass to the Moon, times the mass of the Moon. (For more than 2 objects, the calculation is somewhat more complicated - reading about "center of mass" can give you an idea.)
How to detemine an objects mass?
use a scale to find the mass
Is it necessary to have matter at the center of mass?
No, many objects have no mass (at least no mass that is part of the body concerned) at their centre of mass. Not ,necessarily. Center of mass is an imaginary point.(at least no mass that is part of the body concerned)
Does a donut have a center of gravity?
All objects which have mass have a centre of gravity.
What is the point in an object that moves as if all the objects mass were concentrated at that point?
That's called the center of mass.
