Physics
Newton's Second Law
F = m × a
Relates net force to mass and acceleration.
Formula category
Physics Formulas
Physics formulas for mechanics, motion, forces, energy, electricity, and scientific calculations.
Physics
Weight
W = m × g
Calculates the gravitational force acting on a mass.
Physics
Linear Momentum
p = m × v
Finds the momentum of an object in linear motion.
Physics
Kinetic Energy
Eₖ = ½mv²
Calculates energy due to an object's motion.
Physics
Mechanical Work
W = Fd cos θ
Calculates work when force acts through a displacement.
Physics
Power
P = W ÷ t
Measures how quickly work is done or energy is transferred.
Physics
Density
ρ = m ÷ V
Relates the mass of a substance to its volume.
Physics
Pressure
P = F ÷ A
Calculates force distributed over a surface area.
Physics
Ohm's Law
V = I × R
Connects voltage, current, and electrical resistance.
Physics
Wave Speed
v = f × λ
Relates a wave's speed, frequency, and wavelength.
Physics
Specific Heat
Q = m × c × ΔT
Calculates heat transferred during a temperature change.
Physics
Velocity Formula
v = d / t
Calculates velocity using displacement divided by time.
Physics
Average Speed Formula
Average Speed = Total Distance / Total Time
Calculates average speed from total distance and total time.
Physics
Acceleration Formula
a = Δv / t
Calculates acceleration from change in velocity over time.
Physics
Average Velocity Formula
v_avg = Δx / Δt
Calculates average velocity using displacement divided by elapsed time.
Physics
Distance Formula
d = v × t
Calculates distance traveled using velocity and time.
Physics
Displacement Formula
Δx = x₂ - x₁
Calculates the change in position between two points.
Physics
Final Velocity Formula
v = u + at
Calculates final velocity using initial velocity, acceleration, and time.
Physics
Time Formula
t = (v - u) / a
Calculates time taken when velocity changes under constant acceleration.
Physics
Kinematic Equations Formula
v² = u² + 2as
Relates velocity, acceleration, and displacement for motion with constant acceleration.
Physics
Projectile Motion Formula
x = v₀t cos(θ), y = v₀t sin(θ) - ½gt²
Describes the horizontal and vertical motion of an object launched at an angle.
Physics
Free Fall Formula
d = ½gt²
Calculates distance traveled by an object falling under gravity.
Physics
Centripetal Acceleration Formula
aᶜ = v² / r
Calculates acceleration toward the center of circular motion.
Physics
Centripetal Force Formula
Fᶜ = mv² / r
Calculates the force required to keep an object moving in a circular path.
Physics
Angular Velocity Formula
ω = θ / t
Calculates angular velocity from angular displacement over time.
Physics
Angular Frequency Formula
ω = 2πf
Calculates angular frequency from rotational frequency in circular motion.
Physics
Rotational Frequency Formula
f = ω / 2π
Calculates rotational frequency from angular frequency in circular motion.
Physics
RPM Formula
RPM = 60f
Calculates revolutions per minute from rotational frequency.
Physics
Kinetic Energy Formula
KE = ½mv²
Calculates the energy of an object due to its motion.
Physics
Gravitational Potential Energy Formula
PE = mgh
Calculates stored energy due to an object's height in a gravitational field.
Physics
Elastic Potential Energy Formula
PE = ½kx²
Calculates energy stored in a stretched or compressed elastic object.
Physics
Work Formula
W = Fd cos(θ)
Calculates work done by a force acting over a displacement.
Physics
Power Formula
P = W / t
Calculates the rate at which work is completed.
Physics
Mechanical Energy Formula
ME = KE + PE
Calculates total mechanical energy as the sum of kinetic and potential energy.
Physics
Conservation of Energy Formula
E_total = KE + PE
States that total energy remains constant while energy changes between forms.
Physics
Hooke's Law Formula
F = -kx
Calculates the restoring force produced by an elastic spring.
Physics
Spring Force Formula
F = kx
Calculates the force required to stretch or compress a spring.
Physics
Ohm's Law Formula
V = IR
Relates voltage, current, and resistance in an electrical circuit.
Physics
Electric Power Formula
P = VI
Calculates electrical power using voltage and current.
Physics
Coulomb's Law Formula
F = kq₁q₂ / r²
Calculates the electrostatic force between two charged objects.
Physics
Electric Field Formula
E = F / q
Calculates electric field strength from force and charge.
Physics
Electric Potential Formula
V = W / q
Calculates electric potential from work done per unit charge.
Physics
Voltage Divider Formula
Vout = Vin × R₂ / (R₁ + R₂)
Calculates output voltage across a resistor in a voltage divider circuit.
Physics
Current Divider Formula
I₁ = Itotal × R₂ / (R₁ + R₂)
Calculates current distribution between parallel resistors.
Physics
Capacitance Formula
C = Q / V
Calculates capacitance from stored charge and voltage.
Physics
Capacitor Energy Formula
E = ½CV²
Calculates the energy stored in a capacitor from capacitance and voltage.
Physics
Inductance Formula
L = Φ / I
Relates magnetic flux linkage to current in an inductor.
Physics
Capacitive Reactance Formula
Xc = 1 / (2πfC)
Calculates opposition to alternating current caused by a capacitor.
Physics
Inductive Reactance Formula
Xl = 2πfL
Calculates opposition to alternating current caused by an inductor.