Let F = < xyz, xy, xʻyz > . Use Stokes' Theorem to evaluate curlF · d5, where S consists of the top and the four sides (but not the bottom) of the cube with one corner at (-1,-1,-1) and the diagonal corner at (4,4,4). Hint: Use the fact that if S1 and S2 share the same boundary curve C that curlF · d5 = | F - . dī curlF · dS S2
Let F = < xyz, xy, xʻyz > . Use Stokes' Theorem to evaluate curlF · d5, where S consists of the top and the four sides (but not the bottom) of the cube with one corner at (-1,-1,-1) and the diagonal corner at (4,4,4). Hint: Use the fact that if S1 and S2 share the same boundary curve C that curlF · d5 = | F - . dī curlF · dS S2
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![### Vector Field and Stokes' Theorem
Let \( \mathbf{F} = \langle xyz, xy, x^2yz \rangle \).
Use Stokes' Theorem to evaluate
\[ \iint_S \text{curl} \, \mathbf{F} \cdot d\mathbf{S}, \]
where \( S \) consists of the top and the four sides (but not the bottom) of the cube with one corner at \((-1, -1, -1)\) and the diagonal corner at \((4, 4, 4)\).
There is an empty space below this statement that is likely meant for student input or solution steps.
#### Hint
Use the fact that if \( S_1 \) and \( S_2 \) share the same boundary curve \( C \), then
\[ \iint_{S_1} \text{curl} \, \mathbf{F} \cdot d\mathbf{S} = \oint_C \mathbf{F} \cdot d\mathbf{r} = \iint_{S_2} \text{curl} \, \mathbf{F} \cdot d\mathbf{S}. \]
This suggests using the equivalence of the surface integrals of the curl of \( \mathbf{F} \) over different surfaces sharing the same boundary to simplify calculations.
### Explanation of Concepts
**Stokes' Theorem:**
Stokes' Theorem relates a surface integral over surface \( S \) to a line integral over the boundary curve \( C \) of that surface.
\[ \iint_S \text{curl} \, \mathbf{F} \cdot d\mathbf{S} = \oint_C \mathbf{F} \cdot d\mathbf{r}. \]
This theorem is useful for converting a difficult surface integral into a more manageable line integral, or vice versa.
**Application to the Problem:**
Given the specific vector field \( \mathbf{F} = \langle xyz, xy, x^2yz \rangle \) and the surface \( S \) that is a cube excluding the bottom face, the problem directs you to use Stokes' Theorem. The hint suggests that the boundary curve \( C \) of the surface \( S \) can be used to simplify the evaluation of the integral.
**Diagrams or Graphs:**](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa31da2e8-f6c9-4547-af19-99126d862016%2F6ddded16-ffe6-4a67-93f5-db4821a94821%2Famxdgyl.png&w=3840&q=75)
Transcribed Image Text:### Vector Field and Stokes' Theorem
Let \( \mathbf{F} = \langle xyz, xy, x^2yz \rangle \).
Use Stokes' Theorem to evaluate
\[ \iint_S \text{curl} \, \mathbf{F} \cdot d\mathbf{S}, \]
where \( S \) consists of the top and the four sides (but not the bottom) of the cube with one corner at \((-1, -1, -1)\) and the diagonal corner at \((4, 4, 4)\).
There is an empty space below this statement that is likely meant for student input or solution steps.
#### Hint
Use the fact that if \( S_1 \) and \( S_2 \) share the same boundary curve \( C \), then
\[ \iint_{S_1} \text{curl} \, \mathbf{F} \cdot d\mathbf{S} = \oint_C \mathbf{F} \cdot d\mathbf{r} = \iint_{S_2} \text{curl} \, \mathbf{F} \cdot d\mathbf{S}. \]
This suggests using the equivalence of the surface integrals of the curl of \( \mathbf{F} \) over different surfaces sharing the same boundary to simplify calculations.
### Explanation of Concepts
**Stokes' Theorem:**
Stokes' Theorem relates a surface integral over surface \( S \) to a line integral over the boundary curve \( C \) of that surface.
\[ \iint_S \text{curl} \, \mathbf{F} \cdot d\mathbf{S} = \oint_C \mathbf{F} \cdot d\mathbf{r}. \]
This theorem is useful for converting a difficult surface integral into a more manageable line integral, or vice versa.
**Application to the Problem:**
Given the specific vector field \( \mathbf{F} = \langle xyz, xy, x^2yz \rangle \) and the surface \( S \) that is a cube excluding the bottom face, the problem directs you to use Stokes' Theorem. The hint suggests that the boundary curve \( C \) of the surface \( S \) can be used to simplify the evaluation of the integral.
**Diagrams or Graphs:**
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