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SHM07

10.2 Definitions, equations and graphs 

10.2.1 Definition of Simple Harmonic Motion (SHM):           LO (d)


A motion where the  acceleration a of an object is always directed towards a fixed point ( the equilibrium position O ) and proportional to its displacement x from the fixed point is said to be  be simple harmonic. 



        Defining equation of SHM

a =  - ω2 x

Observe from the model or the animation, suggest the reason for the negative sign.

The negative sign means a is always directed towards the equilibrium point while x is pointing away from equilibrium point O.

In other words a and x are in the opposite direction.                                         

10.2.1.1 Model:

  1. http://dl.dropboxusercontent.com/u/44365627/lookangEJSworkspace/export/ejss_model_SHM07/SHM07_Simulation.xhtml
  2. http://iwant2study.org/ospsg/index.php/interactive-resources/physics/02-newtonian-mechanics/09-oscillations/70-shm07
 

For Teachers

Translations

Software Requirements

SoftwareRequirements

Android iOS Windows MacOS
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

 

Credits

This email address is being protected from spambots. You need JavaScript enabled to view it.; Francisco Esquembre

end faq

http://iwant2study.org/lookangejss/02_newtonianmechanics_8oscillations/ejss_model_SHM07/SHM07_Simulation.xhtml

Apps

Cover arthttps://play.google.com/store/apps/details?id=com.ionicframework.shm07app810976&hl=en

Other Resources

  1. https://www.geogebra.org/m/zHj8G43r Simple Harmonic Motion Tutorial by ukukuku

end faq

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