# Component question
**URL:** https://discourse.paraview.org/t/component-question/12751
**Category:** ParaView Support
**Created:** [August 25, 2023, 8:28am UTC](https://discourse.paraview.org/t/component-question/12751 "2023-08-25T08:28:23Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@igupta](https://discourse.paraview.org/u/igupta)
#### Post date: [August 25, 2023, 8:28am UTC](https://discourse.paraview.org/t/component-question/12751/1 "2023-08-25T08:28:23Z")
Is it possible to create a resultant vector on the surface from, let’s say, y components. I want to check the resultant vector of the reaction forces on a surface.
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [August 25, 2023, 8:42am UTC](https://discourse.paraview.org/t/component-question/12751/2 "2023-08-25T08:42:42Z")
Use Calculator filter for that.
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### Author:  [@igupta](https://discourse.paraview.org/u/igupta)
#### Post date: [August 25, 2023, 8:48am UTC](https://discourse.paraview.org/t/component-question/12751/3 "2023-08-25T08:48:02Z")
I used the calculator to have only components. There are now y components at each node. I want to have sum of all the components on one surface. Any idea what I am doing wrong regarding the resultant. Also how do I select one surface. It looks like following right now. It is a simple cantilever beam problem.
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [August 25, 2023, 8:49am UTC](https://discourse.paraview.org/t/component-question/12751/4 "2023-08-25T08:49:36Z")
Please share your data and explain clearly what you are trying to achieve