Circular Motion
Circular MotionAngular Velocity
Circular MotionAngular Velocity
Or
Let O be the centre of a circle, radius r units.
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
Or
Let O be the centre of a circle, radius r units.
A
P
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
condradians/sein measured
time.respect to
with of change of rate theas defined ispoint
theof , locity,angular ve n the the
Or
Let O be the centre of a circle, radius r units.
A
P
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
condradians/sein measured
time.respect to
with of change of rate theas defined ispoint
theof , locity,angular ve n the the
dtd
Or
Let O be the centre of a circle, radius r units.
A
P
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
condradians/sein measured
time.respect to
with of change of rate theas defined ispoint
theof , locity,angular ve n the the
dtd
Linear Velocity (Tangential Velocity)
Or
Let O be the centre of a circle, radius r units.
A
P
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
condradians/sein measured
time.respect to
with of change of rate theas defined ispoint
theof , locity,angular ve n the the
dtd
Linear Velocity (Tangential Velocity)
Or
Let O be the centre of a circle, radius r units.
A
P
The linear velocity, v, of the point at every position on its path is tangential to the circle.
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
condradians/sein measured
time.respect to
with of change of rate theas defined ispoint
theof , locity,angular ve n the the
dtd
Linear Velocity (Tangential Velocity)
Or
Let O be the centre of a circle, radius r units.
A
P
The linear velocity, v, of the point at every position on its path is tangential to the circle.
v
Circular MotionAngular Velocity
,
where, in time to from movespoint theIf
AOPtPA
condradians/sein measured
time.respect to
with of change of rate theas defined ispoint
theof , locity,angular ve n the the
dtd
Linear Velocity (Tangential Velocity)
Or
Let O be the centre of a circle, radius r units.
A
P
The linear velocity, v, of the point at every position on its path is tangential to the circle.
Let arc AP = x
v
rx
rx
rdtdr
dtdx
rx
rdtdr
dtdx
rv
OR
rv
rx
rdtdr
dtdx
rv
OR
rv
Period
rx
rdtdr
dtdx
rv
OR
rv
Period
2T (time taken for one revolution)
rx
rdtdr
dtdx
rv
OR
rv
Period
2T (time taken for one revolution)
e.g. A satellite moves in a circular orbit of 20 rev/day
rad/sin Describe a)
rx
rdtdr
dtdx
rv
OR
rv
Period
2T (time taken for one revolution)
e.g. A satellite moves in a circular orbit of 20 rev/day
rad/sin Describe a) rad/day 220
rx
rdtdr
dtdx
rv
OR
rv
Period
2T (time taken for one revolution)
e.g. A satellite moves in a circular orbit of 20 rev/day
rad/sin Describe a) rad/day 220
rad/s2160
rad/s 606024
220
km/hin
9000km, is radius its given that velocity,l tangentiassatellite' theFind b)
km/hin
9000km, is radius its given that velocity,l tangentiassatellite' theFind b)
km/s2160
9000
rv
km/hin
9000km, is radius its given that velocity,l tangentiassatellite' theFind b)
km/s2160
9000
rv
km/h15000
60km/h602160
9000
km/hin
9000km, is radius its given that velocity,l tangentiassatellite' theFind b)
km/s2160
9000
rv
km/h15000
60km/h602160
9000
Exercise 9A; odd
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