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4.1 - Kinematics of SHM
- 4.1.1
- An oscilliation is a periodic movement, for
example a little boy on a swing: the
acceleration of the boy is proportional to
his ditsance from the equilibrium position
(when he is straight above the groud),
and his acceleration is always directed
towards that poistion over the ground
- An oscilliation is a periodic movement, for
example a little boy on a swing: the
acceleration of the boy is proportional to
his ditsance from the equilibrium position
(when he is straight above the groud),
and his acceleration is always directed
towards that poistion over the ground
- 4.1.2
- Displacement,x -
distance from a fixed
point (m)
- Amplitude, X0- Maximum
displacement from
the equilibrium
position (m)
- Frequency, f- The
number of cycles per
unit time (Hz)
- Period, T- The time
taken for one
complete cycle (s)
- Phase difference- The
angular difference
between points on two
waves at a given time
- Displacement,x -
distance from a fixed
point (m)
- 4.1.3
- Simple harmonic motion-
Motion in which the
acceleration is proportional to
the distance from, and is
always directed towards, a
fixed point
- acceleration =
-angular
frequency
squared times
the displacement
a= -w^2x
- acceleration =
-angular
frequency
squared times
the displacement
a= -w^2x
- Simple harmonic motion-
Motion in which the
acceleration is proportional to
the distance from, and is
always directed towards, a
fixed point
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