Summary - Unit 13 - Oscillations

OSGMLTBOIS
simple harmonic motion

nation
·
the mntoring is the
an where force ntrectly
proportional to placement

and is
always directed towards the mean position


T
02fx -

x constant
↓


force-F -KCC* D
distance from
=


restoring mean position

as Ef =
ma a
X -
x I
,




acceleration -
-
G =
-C2)(7 distance from mean position


↑
angular speed
(co =
2if)

graphs :




is
displacement-time graph > gradient
- of line gives velocity
x =
Acos cot at
point




gi
velocity-time graph ac t a

v = -
Acosincot at point




acceleration -
time
graph
a
= -
Aco" cos cot




a
↑ 28 =
ma


T -
w
=
ma


(Fo -
xx) -

w =
ma


- FmT 2
=maen
with
-


T =
kx sam C = =




To
·

ex = o =
w
,