name the following (1) the book written by Newton. (2) the force that helps the earth attract every object near it. (3) the SI unit of weight. (4) the amount of matter present in a body.
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Explanation:
1)
Arithmetica Universalis
The Chronology of Ancient Kingdoms Amended
Method of Fluxions
Opticks
Philosophiæ Naturalis Principia Mathematica
The Queries
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Explanation:
1.
2. It is gravitational force of earth once a object comes in gravitational zone of earth it pull the object towards it.
3. SI unit of weight is KG (kilograms)
most of them confuse in grams but it is KG
4. You can calculate it by refusing the gravitational force of earth on that object you will get its mass
eg: my weight is 65 kg
I want my mass I will ( 9.8 is gravitational force )
mass=weight ÷ gravitational force
mass =65÷9.8=6.63265306122 kg
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