# What does Stokes theorem mean?

## What does Stokes theorem mean?

Stokes Theorem Meaning: Stoke’s theorem statement is “the surface integral of the curl of a function over the surface bounded by a closed surface will be equal to the line integral of the particular vector function around it.” Stokes theorem gives a relation between line integrals and surface integrals.

What is Stokes theorem used for?

Stokes’ theorem can be used to turn surface integrals through a vector field into line integrals. This only works if you can express the original vector field as the curl of some other vector field. Make sure the orientation of the surface’s boundary lines up with the orientation of the surface itself.

How do you calculate Stokes Theorem?

Stoke’s Theorem relates line integrals of vector fields to surface integrals of vector fields. ∮CPdx+Qdy+Rdz=∬S(∂R∂y−∂Q∂z)dydz+(∂P∂z−∂R∂x)dzdx+(∂Q∂x−∂P∂y)dxdy.

### What are the conditions for Stokes Theorem?

Stokes’ Theorem is about tiny spirals of circulation that occurs within a vector field (F). The vector field is on a surface (S) that is piecewise-smooth. Additionally, the surface is bounded by a curve (C). The curve must be simple, closed, and also piecewise-smooth.

Why is Green’s theorem useful?

Put simply, Green’s theorem relates a line integral around a simply closed plane curve C and a double integral over the region enclosed by C. The theorem is useful because it allows us to translate difficult line integrals into more simple double integrals, or difficult double integrals into more simple line integrals.

How do stokes work?

The classical Stokes’ theorem can be stated in one sentence: The line integral of a vector field over a loop is equal to the flux of its curl through the enclosed surface. can be considered as a 1-form in which case its curl is its exterior derivative, a 2-form.

#### How do you use the divergence theorem?

In general, you should probably use the divergence theorem whenever you wish to evaluate a vector surface integral over a closed surface. The divergence theorem can also be used to evaluate triple integrals by turning them into surface integrals.

What is Sigma in Stokes theorem?

The Stoke’s theorem states that “the surface integral of the curl of a function over a surface bounded by a closed surface is equal to the line integral of the particular vector function around that surface.”

Can Green’s theorem be zero?

The fact that the integral of a (two-dimensional) conservative field over a closed path is zero is a special case of Green’s theorem. Green’s theorem is itself a special case of the much more general Stokes’ theorem.

## What is Green’s theorem formula?

We conclude that, for Green’s theorem, “microscopic circulation”=(curlF)⋅k, (where k is the unit vector in the z-direction) and we can write Green’s theorem as ∫CF⋅ds=∬D(curlF)⋅kdA. The component of the curl in the z-direction is given by the formula (curlF)⋅k=∂F2∂x−∂F1∂y.

How is the Stokes theorem used in physics?

Stokes’ theorem is also used in evaluating the curl of a vector field. Stokes’ theorem and the generalized form of this theorem are fundamental in determining the line integral of some particular curve and evaluating a bounded surface’s curl. Generally, this theorem is used in physics, particularly in electromagnetism.

Which is the formula for the Stokes law?

Learn the stokes law here in detail with formula and proof. The Stoke’s theorem states that “the surface integral of the curl of a function over a surface bounded by a closed surface is equal to the line integral of the particular vector function around that surface.” C = A closed curve.

### How are line integrals related to Stokes theorem?

Stokes’ theorem provides a relationship between line integrals and surface integrals. Based on our convenience, one can compute one integral in terms of the other. Stokes’ theorem is also used in evaluating the curl of a vector field.

What does Stokes theorem say about the curl?

Stokes theorem says that ∫F·dr = ∬curl (F)·n ds. We don’t dot the field F with the normal vector, we dot the curl (F) with the normal vector. 