What is the physical meaning of Green's formula? How the line integral corresponds to the integral of the surrounding area is still incomprehensible geometrically and physically For example, how to understand this formula

What is the physical meaning of Green's formula? How the line integral corresponds to the integral of the surrounding area is still incomprehensible geometrically and physically For example, how to understand this formula


This can be reflected by an electromagnetic formula in physics
One of Maxwell's four formulas
The integral of the partial derivative of the magnetic field with respect to time with respect to the area of the magnetic field region is equal to the loop integral of the electric field with respect to the boundary of the region
As for understanding, we need to carefully study the derivation of high numbers!
He has many applications in physics



Newton's contribution to mathematics or physics?


Of course, for mathematics, Newton Leibniz formula made a qualitative leap in physics
Because there are many problems that can't be calculated without the development of calculus,
Not to mention the research, because of this formula, the mathematics and physics of later generations have developed rapidly



I'm not very good at mathematics, so it's a little difficult to learn physics. Is there a connection between them?


Of course, there is a connection
Because learning mathematics well requires logical thinking, which also plays an important role in physics learning
However, you don't have to lose heart. In physics learning, you need to recite formulas and concepts. In physics, the calculation problems in the exam are relatively simple, so you can't learn mathematics well. As long as you work hard, you can still learn physics well



The role of mathematical methods in the development of Physics


The development of physics depends on mathematical methods, which are the tools of physics research. Conversely, many mathematical methods have their own physical backgrounds



What are zero sequence, positive sequence and negative sequence components?


The appearance of positive sequence, negative sequence and zero sequence is to decompose the three-phase asymmetric components into symmetrical components (positive sequence, negative sequence) and zero sequence components in the same direction when the voltage and current of the system are asymmetric