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    Vectors

  • Fx = F.Cosθ
  • Fy = F.Sinθ
  • θ = Tan-1(Fy/Fx)
  • Fr = √ ΣFx2 + ΣFy2
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    Uniform Linear Motion

  • V = Δx / Δt
  • V = x / t
  • Δx = xf - xo
  • Δt = tf - to
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    Accelerated Uniform Rectilinear Motion

  • a = (V - Vo) / t
  • a = ΔV / Δt
  • x = xo + Vot + at2 / 2
  • Vf2 = Vo2 + 2aΔx
  • x = xo + (Vo + Vf)/2 . t
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    Newton's Second Law

  • F = ma
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    Weight of a body

  • w = mg
  • N = w (when there's no friction)
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    Couloumb's Law

  • F = kq1q2 / r2
  • K = 9x109
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