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    Physics Formulas

    List of All Physics Formulas

    Physics Formulas Formulas
    Average Speed Formula S = d/t
    Acceleration Formula a =v-u/t
    Density Formula  P=m/V
    Power Formula P=W/t
    Newton’s Second Law F = m × a
    Weight Formula W=mg
    Pressure Formula P=F/A
    Ohm’s Law Formula V= I × R
    Kinetic Energy Formula E = ½ mv²
    Frequency Formula F =v/λ
    Pendulum Formula T = 2π√L/g
    Fahrenheit Formula F = (9/5× °C) + 32
    Work Formula W = F × d × cosθ
    Torque Formula T = F × r × sinθ
    Displacement Formula ΔX = Xf–Xi 
    Mass Formula F = m × a or m = F/m
    Amplitude Formula x = A sin (ωt + ϕ)  
    Tension Formula T= mg+ma
    Surface Charge Density Formula σ = q / A
    Linear Speed Formula V(linear speed) = ΔS/ΔT
    Position Formula Δx=x2−x1
    Heat of Fusion Formula q = m × ΔHF
    Gravity Formula F α m₁m₂/r₂
    Spring Potential Energy Formula P.E=1/2 k × x2
    Physics Kinematics Formula v2=v2o+2a(x-xo)
    DC Voltage Drop Formula V=I ×  R
    Hubble’s Law Formula v = Ho r
    Induced Voltage Formula e = – N(dΦB/dt)
    Latent Heat Formula L = Q / M
    Wavelength Formula λ = v/f
    Gravitational Force Formula F = G(m1m2)/R2
    Potential Energy Formula PE = mgh
    Strain Energy Formula U = Fδ / 2
    Friction Force Formula f = μN
    Cell Potential Formula E0cell = E0red − E0oxid
    Shear Modulus Formula (shear stress)/(shear strain) = (F/A)/(x/y) 
    Water Pressure Formula Water pressure= ρ g h
    Refractive Index Formula n = c/v
    Centroid Formula C = [(x1 + x2 + x3)/ 3, (y1 + y2 + y3)/ 3]

    Important Physics Formulas

    Given below is the most important Physics formulae list:

    • Planck constant h = 6.63 × 10−34 J.s = 4.136 × 10-15 eV.s
    • Gravitation constant G = 6.67×10−11 m3 kg−1 s−2
    • Boltzmann constant k = 1.38 × 10−23 J/K
    • Molar gas constant R = 8.314 J/(mol K)
    • Avogadro’s number NA = 6.023 × 1023 mol−1
    • Charge of electron e = 1.602 × 10−19 C
    • Permittivity of vacuum 0 = 8.85 × 10−12 F/m
    • Coulomb constant 1/4πε0 = 8.9875517923(14) × 109 N m2/C2
    • Faraday constant F = 96485 C/mol
    • Mass of electron me = 9.1 × 10−31 kg
    • Mass of proton mp = 1.6726 × 10−27 kg
    • Mass of neutron mn = 1.6749 × 10−27 kg
    • Stefan-Boltzmann constant σ = 5.67 × 10−8 W/(m2 K4)
    • Rydberg constant R∞ = 1.097 × 107 m−1
    • Bohr magneton µB = 9.27 × 10−24 J/T 
    • Bohr radius a0 = 0.529 × 10−10 m 
    • Standard atmosphere atm = 1.01325 × 105 Pa 
    • Wien displacement constant b = 2.9 × 10−3 m K .
    • Wave = ∆x ∆t wave = average velocity ∆x = displacement ∆t = elapsed time.
    • Vavg = (vi + vf*)2

    Vavg = The average velocity 

    vi = initial velocity 

    vf = final velocity

    • a = ∆v ∆t,

    a = acceleration 

    ∆v = change in velocity 

    ∆t = elapsed time.

    • ∆x = vi∆t + 1/2 a(∆t)2

    ∆x = the displacement 

    vi = the initial velocity 

    ∆t = the elapsed time 

    a = the acceleration 

    • ∆x = vf∆t − 1/2 a(∆t)2

    ∆x = displacement 

    vf = is the final velocity 

    ∆t = elapsed time

    a = acceleration 

    • F = ma 

    F = force 

    m = mass 

    a = acceleration

    • W = mg 

    W = weight 

    m = mass 

    g = acceleration which is due to gravity.

    • f = µN 

    f = friction force 

    µ = coefficient of friction 

    N = normal force 

    • p = mv
    • W = F d cos θ or W = F!d 

    W = work t

    F = force 

    d = distance 

    θ = angle between F and the direction of motion

    • KE  = 1/2 mv2 K

    KE = kinetic energy

    m = mass

    v = velocity

    • PE = mgh 

    PE = potential energy 

    m = mass 

    g = acceleration due to gravity 

    h = height

    • W = ∆(KE) 

    W = work done 

    KE = kinetic energy. 

    • P = W ∆t 

    P = power

    W = work

    ∆t = elapsed time

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