Equations Flashcards
what is the equation that links mass (m), gravitational field strength (g) and weight (w)
W = mg
what is the equation that links force (f) , distance (s) and work done (W)
W = fs
what is the equation that links extension (e) , force applied to the spring(F) and spring constant (k)
F = ke
what is the equation that links distance(d),moment of a force (M) and force (F)
M = Fd
what is the equation that links , force(F), pressure(P) and area(A)
P = F/A
what is the equation that links speed(v), time(t), distance travelled(S)
S = v t
what is the equation that links change in velocity(∆v), acceleration(a) and time taken(t)
∆v
a = ____
t
what is the equation that links mass(m), acceleration(a) and resultant force(F)
F = ma
what is the equation that links momentum(p), velocity(v) and mass(m)
p = mv
what is the equation that links (speed)^2 (s), 0.5, kinetic energy(Ek) and mass(m)
Ek = 1/2 m (v)^2
what is the equation that links gravitational field strength (g), hight(h), mass(m) and gravitational potential energy(Ep)
Ep = m g h
what is the equation that links time(t), power(P) and energy transferred (E)
P = E/t
what is the equation that links work done(w), power(P) and time(t)
P = w/t
what is the equation that links useful output energy transfer, efficiency and total input energy transfer
efficiency =
useful output energy transfer
______________________
total input energy transfer
what is the equation that links useful power output, total power output and efficiency
efficiency =
useful power output
_______________
total power input
what is the equation that links wave speed (v), wavelength(λ) and frequency (ƒ)
v = ƒλ
what is the equation that links time(t), charge flow (Q) and current(I)
Q = It
what is the equation that links current(I), resistance(R) and potential difference(V)
V = IR
R = V/I
what is the equation that links potential difference(v), power(p) and current(I)
P = VI
what is the equation that links power(P), resistance(R) and (current)^2 (I)^2
P = (I)^2 R
what is the equation that links time(t), power(p) and energy transferred(E)
E = P t
what is the equation that links potential difference(V), charge flow(Q) and energy transferred(E)
E = Q V
what is the equation that links volume (v), density(ρ) and mass(m)
ρ = m/v
