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10 cards from this deck
Scalar quantity measuring total path length travelled
Vector with magnitude & direction from start to finish position
Distance depends on path taken; displacement only on start/end points
s⃗=df⃗−di⃗\vec{s} = \vec{d_f} - \vec{d_i}s=df−di
Position measured from origin; displacement can start anywhere
Draw 1st vector, place tail of 2nd at head of 1st, draw resultant
Draw both vectors from same point; resultant is diagonal
Add the negative: A⃗−B⃗=A⃗+(−B⃗)\vec{A} - \vec{B} = \vec{A} + (-\vec{B})A−B=A+(−B)
s=sx2+sy2s = \sqrt{s_x^2 + s_y^2}s=sx2+sy2 (Pythagoras' theorem)
tanθ=sysx\tan\theta = \frac{s_y}{s_x}tanθ=sxsy
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