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Baris 102:
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<!-- In this section we will look at the behavior of the spring mass damper model when we add a harmonic force in the form below. A force
:<math>F= F_0 \cos {(2 \pi f t)} \!</math>
Baris 119:
:<math>X= {F_0 \over k} {1 \over \sqrt{(1-r^2)^2 + (2 \zeta r)^2}}</math>
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Where “r” is defined as the ratio of the harmonic force frequency over the undamped natural frequency of the mass-spring-damper model.
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