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A group of quantities connected by operators gives the same result whatever the order of the quantities involved. 1 + 2 = 2 + 1
The two quantities that affect the force due to gravity are the mass of the objects involved and the distance between them. The force of gravity increases with the mass of the objects and decreases with the square of the distance between them.
2
no relation
1. using convert one system of units in to another system. 2. check the correctness of an equation 3. to know the relation between physical quantities in a given equation
A ratio between two (usually) different quantities is the rate. Usually used to describe something compared to a quantity of time.
it is the relation between 2 numbers , for example 15 and 10 their ratio is 3:2
f=|-R/2|
diameter = 2*radius
A proportion is a statement that two ratios are equal. It is often written as a fraction with an equal sign between the numerators and denominators of the ratios. Proportions are used to compare the relationship between different quantities.
The square of 3 is 2.25 times the square of 2
Scalars and Vectors quantities