Adding Complex Vectors - IB Physics

To add vectors that are not perfectly horizontal or vertical, we take the x and y components of each vector and find the sums of the individual x components and individual y components. The sum of the x components is equal to the x component of the resultant vector, and the sum of the y components is equal to the y component of the resultant vector. To find the total resultant vector, we can use the Pythagorean Theorem with the total x component and the total y component. To find the angle of the vector, we can use an inverse trig function with the vector components (usually Tan-1)

[SidhanthLall]

My physics teacher is pretty awful and doesn't teach and I got an F on the test for this. I'm discovering this now and everything makes sense, I will use this for future lessons. Tysm

[epicgamesgaming]

question how can you use the pythagorian theorm on a non right traingle? in this case how can use that on the vector which is not a right angle

[sweethmv]

Can I ask why, on the last example, that A(x) is 0? why is it not 7.5? I guess I am not seeing how it is too also not moving anywhere