Physics Formulas Overview

Physics Formulas

• Weight (w): w = mg (where 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 = ma (where m = mass, a = acceleration)
• Acceleration (a): a = F/m (from force formula)
• Mass (m): m = F/a (from force formula)
• Speed of a wave (v): v = fλ (where f = frequency, λ = wavelength)
• Frequency (f): f = v/λ (from speed formula)
• Wavelength (λ): λ = v/f (from speed formula)
• Area (A): A = lh (where l = length, h = height)
• Volume (V): V = lwh (where l = length, w = width, h = height)
• Density (ρ): ρ = m/V (where m = mass, V = volume)
• Volume (V): V = m/ρ (from density formula)
• Mass (m): m = ρV (from density formula)
• Current (I): I = Q/t (where Q = charge, t = time)
• Charge (Q): Q = It (from current formula)
• Voltage (V): V = E/Q (where E = energy, Q = charge)
• Energy (E): E = VQ (from voltage formula)
• Average speed: average speed = distance/time
• Velocity: velocity = displacement/time
• Acceleration: acceleration = change in speed/time
• Uniform Acceleration: v = u + at (where v = final speed, u = initial speed, a = acceleration, t = time)
• Final speed (v): v = u + at (uniform acceleration)
• Moment: moment = force × perpendicular distance from fulcrum
• Pressure (P): P = F/A (where F = force, A = area)
• Force (F): F = PA (from pressure formula)
• Area (A): A = F/P (from pressure formula)
• Resistance (R): R = V/I (where V = voltage, I = current)
• Voltage (V): V = IR (from resistance formula)
• Power (P): P = work done/time taken
• Power (P): P = IV (where I = current, V = voltage)
• 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 direction of force
• Potential energy (Ep): Ep = mgh (where m = mass, g = gravitational field strength, h = height)
• Height (h): h = Ep/mg (from potential energy formula)
• Kinetic energy (KE): KE = ½mv² (where m = mass, v = velocity)
• Hooke's Law Force (F): F = kx (where k = spring constant, x = extension)
• Spring constant (k): k = F/x (from Hooke's Law)

Biology Formulas

• Magnification (M): M = image size/actual size
• Image size (I): I = M × actual size
• Actual size (A): A = image size/magnification

Chemistry Formulas

• Concentration (C): C = n/V (where n = moles, V = volume)
• Volume (V): V = n/C (from concentration formula)
• Moles (n): n = CV (from concentration formula)
• Moles (n) (gases): n = V/24 (where V = volume in dm³)
• Volume (V) (gases): V = n × 24 (where n = moles)
• Moles (n): n = m/Mr (where m = mass, Mr = relative molecular mass)
• Mass (m): m = n × Mr (from moles formula)
• Relative molecular mass (Mr): Mr = ΣAr (where Ar = relative atomic mass)
• Relative molecular mass (Mr): Mr = m/n (from moles formula)