Booklet 1A - Dynamics (Equations) Flashcards
d = vt
(Define symbols and units)
d - total distance (m) or (km)
v - average speed (ms-1) or (kmh-1)
t - total time (s) or (h)
s = vt
(Define symbols and units)
s - resultant displacement (m) or (km)
v - average velocity (ms-1) or (kmh-1)
t - total time (s) or (h)
v = u + at
(Define symbols and units)
v - final velocity (ms-1)
u - initial velocity (ms-1)
a - acceleration (ms-2)
t - time (s)
s = ut + ½at2
(Define symbols and units)
s - displacement (m)
u - initial velocity (ms-1)
t - time (s)
a - acceleration (ms-2)
v2 = u2 + 2as
(Define symbols and units)
v - final velocity (ms-1)
u - initial velocity (ms-1)
a - acceleration (ms-2)
s - displacement (m)
s = ½(u + v)t
(Define symbols and units)
s - displacement (m)
u - initial velocity (ms-1)
v - final velocity (ms-1)
t - time (s)
W = mg
(Define symbols and units)
W - Weight (N)
m - mass (kg)
g - gravitational field strength (Nkg-1)
F = ma
(Define symbols and units)
F - Force (N)
m - mass (kg)
a - acceleration (ms-2)
Ew = Fd
(Define symbols and units)
Ew - Work Done (J)
F - Force (N)
d - distance (m)
Ep = mgh
(Define symbols and units)
Ep - Gravitational Potential Energy (J)
m - mass (kg)
g - gravitational field strength (Nkg-1)
h - height (m)
Ek = ½mv2
(Define symbols and units)
Ek - Kinetic Energy (J)
m - mass (kg)
v - speed (ms-1)
P = E/t
(Define symbols and units)
P - Power (W)
E - Energy/Work Done (J)
t - time (s)
p = mv
(Define symbols and units)
p - Momentum (kgms-1)
m - mass (kg)
v - velocity (ms-1)
Ft = mv - mu
(Define symbols and units)
F - (Average) Force (N)
t - time (s)
m - mass (kg)
v - final velocity (ms-1)
u - initial velocity (ms-1)
