Question

What is physics equation? Is there any template for formulas? Where to apply which formula?

Answer 1

In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae .

different equations are used in different areas.
we are using equations according to the situation.

for question related motion we are using equations of motion.