Further Mechanics
:
IRCULAR
CM OTION
:
describes around
an
object going acircle at a constant speed measured in radians
.
s ZI
force
resultant force a centriberal 3600
"
.
the of ~
angular speed
:
z anggle turned circular motion has frequency 4 period
V
w WW=
T
= 21
=Q
radises of circle Ims f
per W
=211
F
s
-revolutions
second I
objects travelling in circles are
accelerating because their
relocity is
changing ( in direction
.
change
)
a centriperal acceleration directed the circle
towards cemtre of the
=
,
nlimear
}
peed
2
A a
=zur
sradius Coms
=
r
s
angular speea crads
.
If there is an acceveration
-"}
there is a force F
=ma
,
towards the centre of the circle
F
MV MLoßr
=
=
?
iadinnemnt
simple
S : Harmomic
careinians
-
Mmotion
m
?
a type of oscillation to and from either side of midpoint
its
a
:
.
distance of the
object s
midpoint :
displacement
always a
restoring force pulling the
object towards the midpoint directed toward
size of force a displacement mid
-point
acceleration a displacement
İ
ñï
"
"
midpoint max amplitude
:
:
EP =
Eß
O
=max
Ek EK
=O
=max
s
Bis placement
lett side right side
-hand
-hand
. motion is Not damped EP energy sconstant
If
+EK=mechanical
,
:
IRCULAR
CM OTION
:
describes around
an
object going acircle at a constant speed measured in radians
.
s ZI
force
resultant force a centriberal 3600
"
.
the of ~
angular speed
:
z anggle turned circular motion has frequency 4 period
V
w WW=
T
= 21
=Q
radises of circle Ims f
per W
=211
F
s
-revolutions
second I
objects travelling in circles are
accelerating because their
relocity is
changing ( in direction
.
change
)
a centriperal acceleration directed the circle
towards cemtre of the
=
,
nlimear
}
peed
2
A a
=zur
sradius Coms
=
r
s
angular speea crads
.
If there is an acceveration
-"}
there is a force F
=ma
,
towards the centre of the circle
F
MV MLoßr
=
=
?
iadinnemnt
simple
S : Harmomic
careinians
-
Mmotion
m
?
a type of oscillation to and from either side of midpoint
its
a
:
.
distance of the
object s
midpoint :
displacement
always a
restoring force pulling the
object towards the midpoint directed toward
size of force a displacement mid
-point
acceleration a displacement
İ
ñï
"
"
midpoint max amplitude
:
:
EP =
Eß
O
=max
Ek EK
=O
=max
s
Bis placement
lett side right side
-hand
-hand
. motion is Not damped EP energy sconstant
If
+EK=mechanical
,
