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The measurement of the planet's weight is derived from the gravitational attraction that the Earth has for objects near it.
To make their measurements, the researchers are using a device called a torsion balance. This records nearly imperceptible accelerations from the gravitational effects of four eight-kilogram stainless steel balls on a gold-coated Pyrex plate about the size of a matchbox but just 1.5 millimetres thick. The device, operating inside an old cyclotron hall in the UW nuclear physics laboratory, is similar to one used 200 years ago to make the first measurement. But it is computer controlled and contains numerous mechanical refinements that make the more precise measurement possible. Hope this helps!

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16y ago
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14y ago

There was no "first" atom. Atoms were formes after the Big Bang. Erwin Wilhelm Müller was the first person to "see" an atom. He observed it, but really noone in existence has actually seen an atom. An atom is really tiny (about 300x10-12 pm).

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15y ago

Ernest Rutherford measured the weight of an atom for the first time. Ernest Rutherford measured the weight of an atom for the first time.

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Q: Who measured the weight of the Earth?
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Related questions

What is measured by the pull of gravity on an object?

Weight (on Earth) or Mass (everyplace else)


Compare the changes in the weight of a ball with the changes in the balls mass as the height of the ball above earths surface increases?

Mass and Weight The gravitational force Earth exerts on an object is the weight of the object. Because weight is a force, it is measured in newtons. Weight is not the same as mass. Mass is the amount of matter an object contains, and is measured in kilograms. Even if the mass of an object doesn't change, its weight will change if its distance from Earth changes


Why is the mass of an object the same on the moon as it isn on earth but the objects weight different?

Because mass is conserved, which means it stays the same wherever the object goes. The weight is the force that the Earth attracts the object with, which changes when the object goes away from the Earth. Mass is measured by a balance, a pair of scales, where one mass is compared with another. Weight is measured by a spring balance, where the force of attraction by the Earth is measured by how much it extends a spring.


Why are people measured in weight not mass?

because people always are weight on earth. that's the reason is that a person to pay attention to crime.


What is the amount of substance in you that gravity can't change?

I assume you are asking about the difference between weight and mass. Weight is usually measured by a spring and would be different on the earth and the moon. Mass is essentially measured with a balance relative to a standard and would be the same on the earth and the moon.


What do you understand by the weight of an object?

The weight of an object is the force with which gravity (usually, Earth's gravity) attracts it. Weight is measured in units of force; in SI units, this is the Newton.


SI measure of force and weight?

Force is measured in Newtons. Weight is a force, therefore it is also measured in Newtons.Force is measured in Newtons. Weight is a force, therefore it is also measured in Newtons.Force is measured in Newtons. Weight is a force, therefore it is also measured in Newtons.Force is measured in Newtons. Weight is a force, therefore it is also measured in Newtons.


What is weight measured in Europe?

In Europe, weight is measured in Kilograms.


Why is weight measured Newton?

Weight is the measure of the force with which the Earth's gravity is pulling an object to its center. Since it is a measure of force, it is often expressed in Newtons.


What is the mass of a 30N chicken on the moon?

The mass will not change. Its weight measured on the Moon would be 1/6th of what it is on Earth.


What is the mass of body anywhere in universe?

The mass of the object is the same as it was when you measured it on Earth, but its weight is different in other places.


Does the graph confirm the relationship between mass and weight on earth?

Yes it does, if you conducted your experiment carefully and measured accurately.