Displacement: s = ut + ½ at²
Final velocity: v = u + at
v² = u² + 2as
Average velocity (uniform accel.): v_avg = (u + v)/2
F = ma
F_friction = μN
Work: W = F · s · cosθ
Power: P = W/t = Fv
Kinetic Energy: KE = ½ mv²
Potential Energy: PE = mgh
Mechanical Energy: E = KE + PE
Work-Energy Theorem: W = ΔKE
Torque: τ = r × F = Iα
Moment of Inertia (disc): I = ½ MR²
Angular Momentum: L = Iω
Kinetic Energy: KE_rot = ½ Iω²
F = G(m₁m₂)/r²
g = GM/R²
Potential Energy: U = -GmM/r
Escape velocity: v_e = sqrt(2GM/R)
Time period (spring): T = 2π√(m/k)
Time period (pendulum): T = 2π√(l/g)
Wave speed: v = fλ
Coulomb’s Law: F = k q₁q₂/r²
Electric Field: E = F/q
Potential: V = kQ/r
Capacitance: C = Q/V
Energy: U = ½ CV²
Ohm’s Law: V = IR
Resistance: R = ρl/A
Power: P = VI = I²R = V²/R
Force: F = qvB sinθ
Ampere’s Law: ∮B · dl = μ₀I
Faraday’s Law: ε = -dΦ/dt
Energy of photon: E = hf = hc/λ
De Broglie wavelength: λ = h/p
Einstein’s equation: E = mc²