, An object in circular motion is one that follows a circular path.
measuring the rate of circular motion
Method 1 :
of rotations per second
Frequency -
the number
Time Period -
the time taken for the object to complete one rotation.
t
=
Method c : Speed-v
= -distance travelled in one rotation = sir
==
: V cirf depends on radius
>
-
3 :
Angular speed-angle second
=
Method covered per ->
angular speed
w = 2π = 2πf
-
>
T I
units : rads
↓
independant of radius
Y angular speed
v =
2 fr v = nor >
-
Equation only applies if the is in
w= 2πf radians per second
(
velocity is tangential to the circlee.
aV
-------
>
For an object in circular motion , if it leaves the circle , it continues
!
·
7
in a straight line.
↑
The resultant of the change in
velocity is always directed
to the centre of the circle. This means the acceleration is
always towards the centre - Centripetal acceleration
measuring the rate of circular motion
Method 1 :
of rotations per second
Frequency -
the number
Time Period -
the time taken for the object to complete one rotation.
t
=
Method c : Speed-v
= -distance travelled in one rotation = sir
==
: V cirf depends on radius
>
-
3 :
Angular speed-angle second
=
Method covered per ->
angular speed
w = 2π = 2πf
-
>
T I
units : rads
↓
independant of radius
Y angular speed
v =
2 fr v = nor >
-
Equation only applies if the is in
w= 2πf radians per second
(
velocity is tangential to the circlee.
aV
-------
>
For an object in circular motion , if it leaves the circle , it continues
!
·
7
in a straight line.
↑
The resultant of the change in
velocity is always directed
to the centre of the circle. This means the acceleration is
always towards the centre - Centripetal acceleration
