Analysing Vectors in One and Two Dimensions (HSC SSCE Physics): Flashcards

Quantity with both magnitude and direction

$\vec{A}$ is the vector; $A$ is its magnitude

Displacement, velocity, force

Breaking it into perpendicular components

Must be perpendicular to each other

$s_x = s\cos\theta$

$s_y = s\sin\theta$

$s = \sqrt{s_x^2 + s_y^2}$

$\tan\theta = \frac{s_y}{s_x}$

Magnitude changes; direction stays the same