Every Day Science For PPSC FPSC,SPSC and All Exam . PHYSICS FORMULAS For PPSC 🎯1. Formulas related to force:🗯️F = ma🗯️F = kx🗯️F = m(vf² – vi²/2S)🗯️F = mv/t🗯️F = md/t²🗯️F = m(vf – vi)/t🗯️F = Area × density × velocity²🗯️F = 1/2 mv²/d🗯️F = 1/2 Pv/d🗯️F = Power/velocity🗯️Fc = mv²/r🗯️Fc = mrw²🗯️Fc/2 = mv²/2r🗯️Fc = 2K.E/r🗯️F = Area × Stress🗯️F = pir² × stress🗯️F = YA × Strain🗯️F = YAl/L🗯️F = pressure × area🗯️F = change in momentum × time interval🗯️F = – 2mVx × Vx/2l🗯️F2 = F1/A1 × A2🗯️F = qE🗯️F = kQ/r²🗯️F = ILB sintheta🗯️F = q (v × B) 🗯️F = qE + q(v × B)🎯2. Formulas related to energy and work👉Fd = k.e👉mgh = 1/2 mv²👉E = 1/2 kx²👉E = Ve👉E = nhf👉E = nhc/lambda👉E = Pc👉K.e = hf – work function = hf – hf° = hf – hc/w° (here w° is cutt off wavelength) 👉E = 1/2 Pv👉mv²/2r= Fc/2👉K.E/r = Fc/2👉K.E = Fc×/r/2👉K.e = 1.5 KT👉E = VQ👉E = Power × time👉E = Fvt👉% loss in K.e = v1² – v2²/v1² × 100👉% loss in P.e = h1² – h²/h1² × 100👉Energy lost due to air friction(Fh) = 1/2mv² – mgh (when body is thrown upward) 👉Energy lost due to air friction(FS) = mgh – 1/2mv² (when body is thrown downward) 👉E = 1/2 CV² (capacitor) 👉E = R × hc (R is Rydberg’ constant) J = m-¹ × Js ms-¹👉hf kalpha x rays = EL – Ekhf kbeta x rays = EM – Ek👉Binding energy = mass defect × c²👉W = Fd Costheta👉W = nmgh (when person is climbing stairs) 👉W = n(m+m) gh (when person is climbing stairs with some load)👉W = 0mgh + 1mgh + 2mgh + 3mgh ……. (in case of stacking bricks. For ist brick h=0. For 2nd brick h=1. For 3rd brick h=2 and so on)👉W = Fd = PA × change in V👉W = Q – change in U👉Q = mc × change in TT/273.16 = Q/Q3 (Thermodynamic scale) 👉W = I²Rt👉W = emf×charge👉W = VQ👉W = 1/2 lF👉W = YAl²/2L👉W = StressAl²/2Strain 👉W = PressureAl²/2Strain👉W = Fl²/2Strain🎯3. Formulas related to Power💥P = Fv💥P = E/t💥P = n(mgh/t) 💥P = Fd/t💥P = mv²/2t🎯4. Formulas related to distance, displacement, velocity and accelration📝d = vt📝d = at²📝d = (vf + vi/2) ×t📝d = 5t² (for distance in ‘n’ seconds) 📝d = 5(2tn – 1) (for distance in ‘nth’ second) 📝d = 1/2 mv²/F📝d = vit + 5t²📝d = v × underroot 2H/g📝d = vt = x°wt = x°2pi/T × t = x°2pift📝x = x° Sin wt📝x = x° Sin (underroot k/m) tvf = vi + at📝2as = vf² – vi²📝2as = (vi + at)² – vi²📝2as = vf² – (vf – at) ²📝v = underroot Vfx² + Vfy² 📝v = Power/Force📝v = 2×K.E/momentum (k.e = 1/2 Pv) 📝v² = 2×Power×time/mass (P = mv²/2t)v = underroot 2asv = underroot gr (speed at highest point in a verticle circle)v = underroot 5gr (speed at lowest point in a verticle circle) 📝v² = 2FS/m📝v² = 2E/m📝v² = 2Ve/m📝v = eBr/m (velocity of particle under action of magnetic force along circular path) 📝v² = Force/Area.Density📝v = w underroot x°² – x²📝v = underroot k/m × underroot x°² – x²📝v = x°w (at mean position where x=0)📝v = x° underoot k/m📝v = v° u*HEAD: ~Sirajsoomro * *PHYSICS FORMULAS*🎯1. Formulas related to force:🗯️F = ma🗯️F = kx🗯️F = m(vf² – vi²/2S)🗯️F = mv/t🗯️F = md/t²🗯️F = m(vf – vi)/t🗯️F = Area × density × velocity²🗯️F = 1/2 mv²/d🗯️F = 1/2 Pv/d🗯️F = Power/velocity🗯️Fc = mv²/r🗯️Fc = mrw²🗯️Fc/2 = mv²/2r🗯️Fc = 2K.E/r🗯️F = Area × Stress🗯️F = pir² × stress🗯️F = YA × Strain🗯️F = YAl/L🗯️F = pressure × area🗯️F = change in momentum × time interval🗯️F = – 2mVx × Vx/2l🗯️F2 = F1/A1 × A2🗯️F = qE🗯️F = kQ/r²🗯️F = ILB sintheta🗯️F = q (v × B) 🗯️F = qE + q(v × B)🎯2. Formulas related to energy and work👉Fd = k.e👉mgh = 1/2 mv²👉E = 1/2 kx²👉E = Ve👉E = nhf👉E = nhc/lambda👉E = Pc👉K.e = hf – work function = hf – hf° = hf – hc/w° (here w° is cutt off wavelength) 👉E = 1/2 Pv👉mv²/2r= Fc/2👉K.E/r = Fc/2👉K.E = Fc×/r/2👉K.e = 1.5 KT👉E = VQ👉E = Power × time👉E = Fvt👉% loss in K.e = v1² – v2²/v1² × 100👉% loss in P.e = h1² – h²/h1² × 100👉Energy lost due to air friction(Fh) = 1/2mv² – mgh (when body is thrown upward) 👉Energy lost due to air friction(FS) = mgh – 1/2mv² (when body is thrown downward) 👉E = 1/2 CV² (capacitor) 👉E = R × hc (R is Rydberg’ constant) J = m-¹ × Js ms-¹👉hf kalpha x rays = EL – Ekhf kbeta x rays = EM – Ek👉Binding energy = mass defect × c²👉W = Fd Costheta👉W = nmgh (when person is climbing stairs) 👉W = n(m+m) gh (when person is climbing stairs with some load)👉W = 0mgh + 1mgh + 2mgh + 3mgh ……. (in case of stacking bricks. For ist brick h=0. For 2nd brick h=1. For 3rd brick h=2 and so on)👉W = Fd = PA × change in V👉W = Q – change in U👉Q = mc × change in TT/273.16 = Q/Q3 (Thermodynamic scale) 👉W = I²Rt👉W = emf×charge👉W = VQ👉W = 1/2 lF👉W = YAl²/2L👉W = StressAl²/2Strain 👉W = PressureAl²/2Strain👉W = Fl²/2Strain🎯3. Formulas related to Power💥P = Fv💥P = E/t💥P = n(mgh/t) 💥P = Fd/t💥P = mv²/2t🎯4. Formulas related to distance, displacement, velocity and accelration📝d = vt📝d = at²📝d = (vf + vi/2) ×t📝d = 5t² (for distance in ‘n’ seconds) 📝d = 5(2tn – 1) (for distance in ‘nth’ second) 📝d = 1/2 mv²/F📝d = vit + 5t²📝d = v × underroot 2H/g📝d = vt = x°wt = x°2pi/T × t = x°2pift📝x = x° Sin wt📝x = x° Sin (underroot k/m) tvf = vi + at📝2as = vf² – vi²📝2as = (vi + at)² – vi²📝2as = vf² – (vf – at) ²📝v = underroot Vfx² + Vfy² 📝v = Power/Force📝v = 2×K.E/momentum (k.e = 1/2 Pv) 📝v² = 2×Power×time/mass (P = mv²/2t)v = underroot 2asv = underroot gr (speed at highest point in a verticle circle)v = underroot 5gr (speed at lowest point in a verticle circle) 📝v² = 2FS/m📝v² = 2E/m📝v² = 2Ve/m📝v = eBr/m (velocity of particle under action of magnetic force along circular path) 📝v² = Force/Area.Density📝v = w underroot x°² – x²📝v = underroot k/m × underroot x°² – x²📝v = x°w (at mean position where x=0)📝v = x° underoot k/m📝v = v° underroot 1 – x²/x°² (for determining ratio b/w inst. Velocity and maxi. Velocity) 📝v= x°2pif = x°2pi/T📝a = x°w²nderroot 1 – x²/x°² (for determining ratio b/w inst. Velocity and maxi. Velocity) 📝v= x°2pif = x°2pi/T📝a = x°w²