03 - Add & Subtract Vectors Using Components, Part 1 (Calculate the Resultant Vector)

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Learn how to add vectors using the x-component and y-components of the vector. In order to find the sum of two vectors, simply add the x-components of the two vectors to find the x-component of the resultant.
Then, add the y-components to find the y-component of the resultant. The resultant vector's x and y components have been found, and you can then find the magnitude of the vector and angle (direction) of the vector using trigonometry as usual.

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For anyone confused on 24:21 the inverse tan of (5/2) is 38.05 not 21.80. its either this was an error in my calculation or he must have done a step i missed.

[@GloobGlominator2470]

To solve for angle you have to take the inverse tan of the Y component of the Resultant over the X component. So, it would be the inverse tan of (2/5) which is 21.80.

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[@patricialuna9764]

this video is great! but im always messing up on subtracting vectors with 3 components (ex: V1, V2, V3) I know we're supposed to subtract the components from each other but do we do it like (V1-V2) - V3 or V1 - V2 - V3?

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this was like 4 years ago, Where's part 2?

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How would you know that this is the x component And this is the y component???¿

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the x component is always horizontal and the y component is always vertical

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One question- Why didn't u take tan theta Instead of inverse tan theta?

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because the want the value of theta right

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