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Beschreibung
Mindmap von wondersnail, aktualisiert more than 1 year ago
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Erstellt von wondersnail
vor etwa 10 Jahre
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4.2 - Energy changes during SHM
4.3 - Forced Oscilliations and
Resonance
- 4.2.1
- Considering a swinging pendulum:
at the maximum placement from O
the pendulum has maximum
potential enery and minimum kinetic
energy. when the pendulum is at the
equilibrium position, O, is has
minimum potential energy and
maximum kinetic energy
- Considering a swinging pendulum:
at the maximum placement from O
the pendulum has maximum
potential enery and minimum kinetic
energy. when the pendulum is at the
equilibrium position, O, is has
minimum potential energy and
maximum kinetic energy
- 4.3.1
- Damping- When a system has to
do work against opposing forces
such as air resistance and
friction it will lose energy and
thus oscilliate less.
- For example cars have dampers between
the body and the wheels. Their purpose is
to damp the oscilation caused by bumps in
the road
- Damping- When a system has to
do work against opposing forces
such as air resistance and
friction it will lose energy and
thus oscilliate less.
- 4.3.3
- Natural frequency, f0 - the
frequency by which a
system would oscillate if
not disturbed; when a
pendulum is lift and
released
- Forced oscillation- when a
system is forced to oscillate
in a frequency other than its
natural frequency
- Natural frequency, f0 - the
frequency by which a
system would oscillate if
not disturbed; when a
pendulum is lift and
released
- 4.3.5
- Resonance- Forcing a
system to vibrate at its
antural frequency will
increase its aplitude
- Resonance- Forcing a
system to vibrate at its
antural frequency will
increase its aplitude
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