Clear physics concepts with physics formulas. Newton's Second Law: F = ma, Ohm's Law: V = IR, Coulomb's Law: F = k(q₁q₂/r²), Einstein's Mass-Energy Equivalence: E = mc², Snell's Law: n₁sinθ₁ = n₂sinθ₂, Hooke's Law: F = kx, Archimedes' Principle: F = ρVg. Visit infinity learn to get all physics formulas.