What is the Motion of a Bifilar Pendulum?

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SUMMARY

The bifilar pendulum, characterized by two parallel strings, operates primarily as a torsional pendulum. It is utilized to measure the moment of inertia, which is crucial for understanding rotational dynamics. The motion of a bifilar pendulum can be forward and backward, side to side, or rotational, depending on the setup. This device has practical applications in physics and engineering, particularly in demonstrating principles of inertia and oscillation.

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  • Understanding of torsional pendulum mechanics
  • Familiarity with moment of inertia concepts
  • Basic knowledge of oscillatory motion
  • Experience with experimental physics setups
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  • Research the mathematical modeling of bifilar pendulum motion
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Students and educators in physics, mechanical engineers, and anyone interested in experimental mechanics and the practical applications of pendulum systems.

joelKID984
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Heyy guys,

I have and EEI to do on a bifilar pendulum. Essentially a bifilar pendulum is acheived by two parallel strings instead of one. I have already built the device but don't know how the motion should be. Shourd it be farwards adn backwars? or side to side? or rotate?

Thanks in advance:)
 
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welcome to pf!

heyy joelKID984! welcome to pf! :smile:

"bifilar" simply means "having two threads", so it could be used in any of those three ways

but i believe it's usually operated as a torsional pendulum …

for pictures, do a google image-search for "bifilar pendulum" :wink:
 
how does a bifilar pendulum relate to the world

ok,

im doing an EEI on a bifilar pendulum and I am on one of the lest sections of the report that quite important as it shows critical thinking. i have to discuss how the bifilar pendulum relates to the real world.

essentially a bifilar pndulum if a pendulum with two parallel filaments attached to a body instead of one. i know that a bifilar pendulum is used to measure moment of inertia, but how can it relate to the real world.

Thanks,
Joel
 
joelKID984 said:
ok,

im doing an EEI on a bifilar pendulum and I am on one of the lest sections of the report that quite important as it shows critical thinking. i have to discuss how the bifilar pendulum relates to the real world.

essentially a bifilar pndulum if a pendulum with two parallel filaments attached to a body instead of one. i know that a bifilar pendulum is used to measure moment of inertia, but how can it relate to the real world.

Thanks,
Joel

Other threads on bifilar pendulum here on PF : http://www.google.com/search?q=bifi....,cf.osb&fp=b9a4a844c6dcd97f&biw=1024&bih=578

This site , I think beautifully explains your case : http://www.egglescliffe.org.uk/physics/gravitation/bifilar/bif.html

Here is another site : http://www.me.utexas.edu/~me244L/labs/filar/filaroverview.html
 
thanks guys :):) for hte help. but some guy keeps giving me warnings for no reason soo...
 

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