Karteikarten
AQA GCSE Physics Equations to learn
Karten in diesem Stapel (24)
- 1What is the equation for Kinetic energy? What unit is energy measured in?K.E = 1/2 x mass x speed^2
joules (J) - 2What is the equation for GPE? What does GPE stand for?GPE = mass x g X height
GPE is gravitational potential energy - 3What are the two equations for power?power = work done / time taken
power = Energy transferred / time taken - 4What is efficiency in terms of power?Useful power output / total power input
- 5What is efficiency in terms of energy transfer?useful energy output / total energy input
- 6What is the equation for charge flow?Charge flow = current x time
Q = It - 7What is Ohm's law? (Equation for potential difference)Potential difference = Current x resistance
V=IR - 8What is the total resistance of two resistors R1 and R2 in series?total resistance (series) = R1 + R2
- 9What is the total resistors of two resistors R1 and R2 in parallel?total resistance (parallel)
1/R = 1/R1 + 1/R2 - 10What is electrical power in terms of potential difference?Power = potential difference x current
P=IV - 11What is electrical power in terms of resistance and current?Power = current^2 x resistance
P=I^2 R - 12What is energy transferred in terms of power?Energy transferred = power x time
E=Pt - 13What is energy transferred in terms of charge flow?energy transferred = charge flow x potential difference
E=QV - 14What is the equation for density?Density = mass / volume
⍴ = m/V - 15What is the equation for wave speed?Wave speed = frequency x wavelength
v = f λ - 16What is the equation for weight?Weight = mass x gravitational field strength
W = mg - 17What is the equation for work done?Work done = force x distance
(along line of action of the force)
W = Fs - 18What is Hooke's law? (Force on an extended springForce = extension x spring constant
F = k e - 19What is the equation for the moment of a force?moment = force x perpendicular distance
M = Fd - 20What is the equation for pressure?force normal to surface/ surface area
P =F/A - 21What is the equation for distance travelled?distance = speed x time
s = vt - 22What is the equation for acceleration?(final velocity-initial velocity)/time taken
a = (v-u)/t
Change in velocity / time taken
a = Δv/t - 23What is the equation for resultant force?Mass x acceleration
F = ma - 24What is the equation for momentum?mass x velocity
p = mv
Informationen
- Beschreibung
- Flashcards testing the word and symbol equations for all equations needed for AQA GCSE physics exams
- Erstellt von
- R Lucas · Mär 2021
- Aktualisiert
- 11 Mär 2021
- Aufrufe
- 15
- Tags
- Bewertung