physics Flashcards
Resultant force (f), mass (m), acceleration (a)
F =m x a
acceleration (a), final velocity (v), initial velocity (u), time taken (t)
a=v-u/t
weight (W), mass (m), gravitational field strength (g)
W =m x g
force (F), spring constant (k), extension (e)
F =k x e
work done (W), force applied (F), distance moved in the direction of the force (d)
W =F x d
power (P), energy transferred (E), time taken (t)
P = E/t
gravitational potential energy (Ep), mass (M), gravitational field strength (g), change in height (h)
Ep = m x g x h
kinetic energy (Ek), 1/2, mass (m), speed (v)
Ek = m x v^2/2
momentum (p), mass (m), velocity (v)
p =m x v
current (I), charge (Q), time (t)
I =Q/t
potential difference (V), work done (W), charge (Q)
V =W/Q
potential difference (V), current (I), resistance (R)
V =I X R
power (P), energy (E), time (t)
P =E/t
power (P), current (I), potential difference (V)
P = I x V
energy (E), potential difference (V), charge (Q)
E = V x Q