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13 cards from this deck
Breaking a vector into component vectors
Finding resultant using parallelogram law
90° (right angles)
x=rcosθx = r \cos θx=rcosθ
y=rsinθy = r \sin θy=rsinθ
Cosine = Adjacent / Hypotenuse
Sine = Opposite / Hypotenuse
r=x2+y2r = \sqrt{x^2 + y^2}r=x2+y2
θ=tan−1(yx)θ = \tan^{-1}(\frac{y}{x})θ=tan−1(xy)
Projectile motion
Forces on inclined planes
Yes, they are independent
Components are smaller than (or equal to) original
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