All physics formulas

Frage	Antworten
Impulse	Force× time in contact
SIN FORMULAE	1. sin of critical angle(c)=1/refractive index 2. refractive index =sin i /sin r
Moment and Force	Mass×Velocity
Potential Energy =Kinetic Energy	PE =KE PE=mgh KE =1/2 mv^2 ~ mgh= 1/2 mv^2
Weight	mass ×gravity
Density	mass÷volume
Wave Formula	speed= frequency× wavelength
Acceleration	speed increase ÷ time taken
Speed	distance ÷ time
piston break system	F1×d1=F2×d2
Pressure Formulae	F/A (normal) density× gravity × height
Boyle's Law applies only if temperature constant	P1 × V1 = P2 × V2
Potential Difference ( formula)	V = IR
Resistance in Series	R1 + R2 + R3
Resistance in parallel	1/ R1 + 1/R2 + 1/ R3
Transformer's equation to work out voltage or number of turns	(V1 / V2) = (n1 / n2) n= number of turns on coil
Momentum of a force about a point	F × perpendicular distance from the point
Spring extension	F = kx force is directly proportional as long as elastic limit has not been reached
Work done	Force × distance moved

Zusammenfassung der Ressource

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