Question

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.​

Answer 1

Explanation:

1)

Arithmetica Universalis

The Chronology of Ancient Kingdoms Amended  

Method of Fluxions  

Opticks

Philosophiæ Naturalis Principia Mathematica

The Queries

Answer 2

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