Flashcards
All physics formulas
Cards in this deck (19)
- 1ImpulseForce× time in contact
- 2SIN FORMULAE1. sin of critical angle(c)=1/refractive index
2. refractive index =sin i /sin r - 3Moment and ForceMass×Velocity
- 4Potential Energy =Kinetic EnergyPE =KE
PE=mgh
KE =1/2 mv^2
~ mgh= 1/2 mv^2 - 5Weightmass ×gravity
- 6Densitymass÷volume
- 7Wave Formulaspeed= frequency× wavelength
- 8Accelerationspeed increase ÷ time taken
- 9Speeddistance ÷ time
- 10piston break systemF1×d1=F2×d2
- 11Pressure FormulaeF/A (normal)
density× gravity × height - 12Boyle's Law applies only if temperature constantP1 × V1 = P2 × V2
- 13Potential Difference ( formula)V = IR
- 14Resistance in SeriesR1 + R2 + R3
- 15Resistance in parallel1/ R1 + 1/R2 + 1/ R3
- 16Transformer's equation to work out voltage or number of turns(V1 / V2) = (n1 / n2)
n= number of turns on coil - 17Momentum of a force about a pointF × perpendicular distance from the point
- 18Spring extensionF = kx
force is directly proportional as long as elastic limit has not been reached - 19Work doneForce × distance moved