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Author Topic: Falling chimney enigma...  (Read 4098 times)

iacob alex

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Falling chimney enigma...
« on: April 21, 2009, 03:25:52 AM »

   ...is a free fall paradox,when a rotational free fall in gravity,causes a faster then  "g" acceleration,as you can see at :   www..physics.brown.edu/physics/demopages/Demo/solids/demos/1q2050.html   

      Faster than "g" ?

      Who is the "donor" ?

      Maybe,this universal substratum,including of gravity...the incorporeal,ethereal inertia ,asks some additional work from gravity.

      Regardless of manner to explain,or play words,we have a real,unavoidable fact,just around the corner...

      Can we use this circumstance?

      Maybe,if we remind the Newton's suggestion about PM...

                       All the Bests! / Alex   
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iacob alex

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Re: Falling chimney enigma...
« Reply #1 on: April 22, 2009, 06:05:50 AM »

...can be expressed also ,by a lab-demo "Falling stick..."  at:   www.phy.syr.edu/courses/demos/7e.html

   Usually,the angle between the two boards of the hinged structure is around 40 degrees.

   But,if we try a test with a greater angle(near 170 degrees),maybe we become more inquisitive about a possibility to use this phenomenon.

        All the Bests! / Alex     
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iacob alex

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Re: Falling chimney enigma...
« Reply #2 on: June 10, 2009, 02:00:22 AM »

   .....at :   http://www.tynemouth.frankgillings.com/882.htm   can be a more convincing and impressive proof (if you watch the video...),about an interesting effect...maybe useful for the topic of this forum.

             All the Bests! / Alex
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iacob alex

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Re: Falling chimney enigma...
« Reply #3 on: April 09, 2010, 02:00:32 AM »

 ...if you type "falling chimney" on net,you can get a plenty of information.

    The next step can be,to relate the "falling chimney" with an "inverted pendulum"(see on net,also),but not as a pendulum studied in robotics (a limited and controlled swinging),...this time,the pendulum can fall 180* ( a full fall down).

    For a physical pendulum,the center of rotation can be somewhere,so that we have a new (and useful for our topic)  image:a first class lever ,with two unequal arms,free to manifest a full fall down (180*),due to gravity.

    The last step is to play (in some way...),the torque difference on the same side of the pivot.

    Why this topic?

    Simply,because a pendular fall accelerates more than a vertical free fall.

    If we have a difference,it can be a starting point to think about...

       All the best! / Alex


    Simply,because a pendular fall accelerates more than a vertica
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