Motion in a Plane
ICSE · Class 11 · Physics
All formulas from Motion in a Plane in ICSE Class 11 Physics. Key equations, constants, and identities for board exam preparation.
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Position, Displacement, Equality and Zero Vector
Displacement vector = final position vector - initial position vector
Unit vector: Â = A / A
Rectangular component form: A = Ax i + Ay j
3D vector form: A = Ax i + Ay j + Az k
Magnitude in 3D: |A| = sqrt(Ax^2 + Ay^2 + Az^2)
Addition and Subtraction of Vectors
R = sqrt(A^2 + B^2 + 2AB cosθ)
tan α = (B sinθ) / (A + B cosθ)
Resolution of Vectors and Unit Vectors
Ax = A cosθ
Ay = A sinθ
A = sqrt(Ax^2 + Ay^2)
θ = tan^-1(Ay / Ax)
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