Physics Formulas Overview

Physics Formulas

• Weight (w): w = m * g
  • m: Mass
  • g: Gravitational field strength
• Mass (m): m = w / g (from weight formula)
• Gravitational field strength (g): g = w / m (from weight formula)
• Force (F): F = m * a
  • a: Acceleration
• Acceleration (a): a = F / m (from force formula)
• Mass (m): m = F / a (from force formula)
• Speed of wave (v): v = f * λ
  • f: Frequency
  • λ: Wavelength
• Frequency (f): f = v / λ (from speed formula)
• Wavelength (λ): λ = v / f (from speed formula)
• Area (A): A = l * h
  • l: Length
  • h: Height
• Volume (V): V = l * h * w
  • w: Width
• Density (ρ): ρ = m / V
  • m: Mass
  • V: Volume
• Volume (V): V = m / ρ (from density formula)
• Mass (m): m = ρ * V (from density formula)
• Current (I): I = Q / t
  • Q: Charge
  • t: Time
• Charge (Q): Q = I * t (from current formula)
• Voltage (V): V = E / Q
  • E: Energy
• Energy (E): E = V * Q (from voltage formula)
• Average Speed: average speed = distance / time
• Velocity: velocity = displacement / time
• Acceleration: acceleration = change in speed / time
• Uniform Acceleration: a = (v - u) / t
  • v: Final speed
  • u: Initial speed
• Final Speed (v): v = a * t + u (from uniform acceleration)
• Moment: moment = force * perpendicular distance from fulcrum
• Pressure (P): P = F / A
  • F: Force
  • A: Area
• Force (F): F = P * A (from pressure formula)
• Area (A): A = F / P (from pressure formula)
• Resistance (R): R = V / I
  • V: Voltage
  • I: Current
• Voltage (V): V = R * I (from resistance formula)
• Power (P): P = work done / time taken
• Power (P): P = I * V (from power definition)
• Efficiency: efficiency = (useful output / total input) * 100%
• Refractive Index (n): n = (speed of light in air) / (speed of light in medium)
• Work Done: work done = force * distance in the direction of force
• Potential Energy (Ep): Ep = m * g * h
  • h: Height
• Height (h): h = Ep / (m * g) (from potential energy formula)
• Kinetic Energy (KE): KE = 0.5 * m * v²
• Force (Hooke's Law): F = k * x
  • k: Spring constant
  • x: Displacement
• Spring constant (k): k = F / x (from Hooke's Law)

Chemistry Formulas

• Concentration (C): C = n / V
  • n: Moles
  • V: Volume
• Volume (V): V = n / C (from concentration formula)
• Moles (n): n = C * V (from concentration formula)
• Moles (n): n = V / 24 (for gases)
  • V: Volume
• Volume (V): V = n * 24 (for gases)
• Moles (n): n = m / Mr
  • m: Mass
  • Mr: Relative molecular mass
• Mass (m): m = n * Mr (from moles formula)
• Relative molecular mass (Mr): Mr = m / n (from moles formula)
• Relative Molecular Mass (Mr): Mr = sum of relative atomic masses (Ar)

Biology Formulas

• Magnification (M): M = Image size / Actual size
  • I: Image size
  • A: Actual size
• Image size (I): I = M * A (from magnification formula)
• Actual size (A): A = I / M (from magnification formula)