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The easy way
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Weight = Mass x Acceleration due to gravity.
Example:
A 2.5 kg board at sea level.
Weight = 2.5kg x 9.8m/s/s = 24.5 N
A confusion here is the use of Newtons (N). Outside of science you may not often see the metric unit of force. Scales will read kilograms (kg) instead. This is actually incorrect. Scales cannot measure mass, only force. However, they assume that you are standing at sea level and convert to kilograms.
The Hard Way
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Use Newton's gravitational equation with one mass being the mass of earth. Do not forget that r = distance from object to the center of the earth.
F = (G*m1*m2) / r^2
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What does weight measure?
Weight is the measurement of gravitational force on an object, relevant to Earth.
Weight of earth in scientific notation?
The concept of the weight of the earth makes no sense. The weight of an object on earth is the force of the earth's gravity acting on that object's mass. The earth's gravity does not exert a force on itself. The earth does not have a weight in the context of the sun because it is in free-fall in its orbit around the sun. The mass of the earth is 5.97*1024 kilograms.
How do you change an object's mass on earth to its mass on the moon?
The object's mass is the same wherever it is. Mass doesn't change. What changes is the object's weight.The weight depends on what other mass happens to be nearby.When you know the object's weight on earth, multiply that by 0.1633 to find its weight on the moon.If you don't need it that close, it might be easier to just divide the earth weight by 6.
If an object has a mass of 70 kg and a weight of 686 N on Earth what would the object's mass and weight on Jupiter be?
Your mass is always the same.
Why is the mass of an object the same on the moon as it is on earth but the objects weight is different?
That is because Earth has more gravity. Weight = mass x gravity.
