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SHM21

1.6.4 Applications of Critical Damping

Factors that affects the damping coefficient b includes the drag in the oscillating spring-mass system that takes energy out of the system as heat loss etc.

therefore, the higher the viscosity of the medium the system is in, the greater the drag coefficient b.

1.6.4.1    Car suspension


    The spring of a car’s suspension is critically damped so that when a     car goes over a bump, the passenger in the car quickly and smoothly     regains equilibrium.





1.6.4.1.1 No Damping

the picture shows no damping case b = 0


1.6.4.1.2 Light Damping 

the picture shows light damping case b = 0.1


1.6.4.1.3 Critical Damping 

the picture shows critically damping case b = 2.0
However, car suspensions are often adjusted to slightly under critical damped condition to give a more comfortable ride. Critical damping also leaves the car ready to respond to further bumps in the road quickly.



1.6.4.1.4 Heavy Damping 

the picture shows heavy damping case b = 5.0

1.6.4.1.5 Model:

  1. Run Sim
  2. http://iwant2study.org/ospsg/index.php/85
 

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SoftwareRequirements

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with best with Chrome Chrome Chrome Chrome
support fullscreen? Yes. Chrome/Opera No. Firefox/ Sumsung Internet Not yet Yes Yes
cannot work on some mobile browser that don't understand JavaScript such as..... cannot work on Internet Explorer 9 and below

 

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http://iwant2study.org/lookangejss/02_newtonianmechanics_8oscillations/ejss_model_SHM21/SHM21_Simulation.xhtml

Apps

Cover arthttps://play.google.com/store/apps/details?id=com.ionicframework.shm21app525671&hl=en

 Other resources

https://www.geogebra.org/m/ev62ku7w by tan Seng kwang

end faq

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