Moment of Inertia of an Iron Beam's Cross Section

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  • Опубліковано 17 вер 2024
  • Download the Manas Patnaik app now: cwcll.on-app.i... Make sure you have seen the video on "How to apply Parallel axis theorem"
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    In this video, we will determine the #momentofinertia of an Iron Beam's Cross Section.
    Watch the video, right till the end to have firm grasp on the concept.
    #engineeringmechanics
    #appliedmechanics
    #fundamentalsofmechanicalengineering
    #whatiscentroid
    #whatiscenterofgravity
    #whatiscentreofgravity
    #centroid
    #momentofinertiaofcompositeplane

КОМЕНТАРІ • 95

  • @spritechz9044
    @spritechz9044 5 років тому +7

    Super super easy explenation, thank u so much sir. 👏

  • @ManasPatnaikofficial
    @ManasPatnaikofficial  6 років тому +61

    Small correction guys:
    At timeline 05:10, I should have written Pi.r^2/2....
    But the answer works out as 39.27 cm^2...
    Rest is fine...Not to worry...

    • @suchithraperera
      @suchithraperera 3 роки тому

      What would be the changes will happen if we considering another reference axes rather than given reference axes/?

    • @zubairmahmood1936
      @zubairmahmood1936 3 роки тому +1

      i was just getting mad how come that the value is 39.27.

    • @Mr_east_light
      @Mr_east_light 2 роки тому

      A2=A3 = (pi * 25 )/2 = 39.2699

    • @Mr_east_light
      @Mr_east_light 2 роки тому

      x3 = 12-x2=12-2.12=9.88

    • @Nkennedyyyy
      @Nkennedyyyy Рік тому +1

      lmao i questioned my whole life existence for a moment there
      thanks G O A T

  • @Urnbharat2047
    @Urnbharat2047 2 роки тому +1

    Excellent explanation. Just missed to write (2) while showing formula for area's of semicircle divided by 2. Also checked answer is matching. Thanks

  • @vivekyadav-il2rx
    @vivekyadav-il2rx 2 роки тому

    the way u teach sir,awesome and very easy to learn, thank you i got passed in mos because of ur videos

  • @nivedhinim5321
    @nivedhinim5321 4 роки тому +3

    sir,how to find out centroid of semicircle with axis tilted
    Is there any formula like finding out moment of inertia of semicircle..

  • @saivyshnavigudipalli1827
    @saivyshnavigudipalli1827 5 років тому +3

    Sir... Upload some more problems on moment of inertia

  • @kamugishaedison1944
    @kamugishaedison1944 4 місяці тому

    Thank you so much you have added alot to my knowledge of mechanics

    • @ManasPatnaikofficial
      @ManasPatnaikofficial  4 місяці тому

      Thank u ......Keep learning and do share it with your friends.........aLL the best

  • @450shahnaz8
    @450shahnaz8 5 років тому +2

    Sir i, ve heard from my teacher dt if a body is symmetric about x_axis it's y bar is zero... How ❓❓ i, m getting confused... Wt is the right answer?

  • @Holyacrobat1
    @Holyacrobat1 5 років тому +1

    Thank you so much Manas Patnaik!

  • @AmirHussain-rt3my
    @AmirHussain-rt3my Рік тому +1

    two semicircle same distance from centroidal y axis

  • @nahomdemelash291
    @nahomdemelash291 3 роки тому +1

    Thank you, u r a genius

  • @Mr_X_FIFA
    @Mr_X_FIFA 2 роки тому

    Thanks sir today was my paper and I read complete mechanics before from your videos itself and this was the last question which I saw before entering exam hall .
    Thanks a ton ❤️

    • @ManasPatnaikofficial
      @ManasPatnaikofficial  2 роки тому

      I am sure you will do well in exams. Good luck

    • @Mr_X_FIFA
      @Mr_X_FIFA 2 роки тому

      @@ManasPatnaikofficial Yes sir sure.... thanks once again ❤️

  • @vijayvamsi7324
    @vijayvamsi7324 6 років тому +2

    why don't you consider symmetric about x. axis or y. axis??? Sir. .

  • @tessathomas554
    @tessathomas554 5 місяців тому

    I like the way he speaks...

  • @FatawYakubu-908
    @FatawYakubu-908 Місяць тому

    Please what if the rectangle is labeled abcd and the question ask to find about ab axis

  • @amirul-aj3925
    @amirul-aj3925 5 років тому +1

    need help....!! where did you get the 0.11 and 0.393 on the semicircle..? I only saw these number in your video... thank you

  • @rahulnamdev9375
    @rahulnamdev9375 7 місяців тому +1

    Thank you

  • @GurtejSingh006
    @GurtejSingh006 6 років тому +2

    Sir area of semi circle is pi r^2/2

    • @ManasPatnaikofficial
      @ManasPatnaikofficial  6 років тому +2

      Yes u r right....I should have written Pi.r^2/2....
      But the answer works out as 39.27 cm^2

    • @GurtejSingh006
      @GurtejSingh006 6 років тому

      Manas Patnaik yes sir

  • @vamsikrishnakaki9828
    @vamsikrishnakaki9828 3 роки тому

    Nice explanation thank you very much sir

  • @talhanadeem7593
    @talhanadeem7593 5 років тому +1

    Amazing video :D

  • @mr.partha5829
    @mr.partha5829 6 років тому

    Great job Sir...
    keep uploading 😊😊

  • @janaranjania2537
    @janaranjania2537 4 роки тому

    Great explanation video👍👍😊

  • @cric_h8103
    @cric_h8103 5 років тому +1

    Sir area of semicircle is wrong it is pi r^2/2 kk thank you sir

  • @ssss8619
    @ssss8619 Рік тому

    Thank your for your explanation, what about Ixy ? Is it Will always be 0?

  • @technicalstudyTEengineer
    @technicalstudyTEengineer 4 роки тому

    Good concept

  • @MdHumayun-pm2kp
    @MdHumayun-pm2kp 2 роки тому

    Sir Thank you. Pass karwa diye.

  • @54piyushkumare62
    @54piyushkumare62 5 років тому

    Thanks sir its helps a lot

  • @chhattisgarhtechhack7194
    @chhattisgarhtechhack7194 5 років тому +3

    Sir please upload a video on derovation of Moment of inertia of shapes like semicircle, quarter circle, triangle etc. Please sir

    • @ManasPatnaikofficial
      @ManasPatnaikofficial  5 років тому +1

      Even i was thinking about that...
      till then u can watch stuff from these playlists.
      Topic-wise Playlist of Engineering Drawing / Engineering Graphics in English
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  • @rhshovan
    @rhshovan Рік тому

    THANK YOU SO MUCH...........

  • @taukirsheikh9405
    @taukirsheikh9405 5 років тому

    just a doubt that is the formula (y-Ybar)square is applicable for all composite section in case of centroidal axis.

  • @riteshmandal7798
    @riteshmandal7798 4 місяці тому

    Sir area pi r square by 2 hoga na

  • @utkarshshukla3567
    @utkarshshukla3567 2 роки тому

    sir does removing semicircles dont change the position of centroid?

  • @amaanrampath4100
    @amaanrampath4100 5 років тому +1

    Hello.at 7:48 you explain iparallel=0.11r² and iperpendicular=0.393r²,I am confused because many textbooks say ix =iy for semicircle is 0.393r².they do not mention 0.11r².please explain why.thank you.

    • @amaanrampath4100
      @amaanrampath4100 5 років тому

      Even this lecturer says ix=iy in this link ua-cam.com/video/idKWlkgKXzM/v-deo.html please skip 5:17.thank you.sorry to bother you

    • @ManasPatnaikofficial
      @ManasPatnaikofficial  5 років тому +2

      Aman....
      Come on FB messenger, lets have a quick chat......

    • @amaanrampath4100
      @amaanrampath4100 5 років тому

      Hi.i messaged you now.thank you again

    • @faisalnazir9067
      @faisalnazir9067 5 років тому +1

      I have same Question.......plz clear my doubt too

    • @amaanrampath4100
      @amaanrampath4100 5 років тому

      @@faisalnazir9067 in this video Mr.Manas takes MOI from center of semi-circle while many text books give you MOI from edge of semi-circle...BOTH ARE CORRECT, just check if you are at CENTER or EDGE

  • @dreamsosh9028
    @dreamsosh9028 11 місяців тому

    how to calculate the moment of area for the singly reinforced beam?

  • @karishma.m8820
    @karishma.m8820 4 роки тому

    Wonderful sir
    Tq u so much sir

  • @mohammedfareeduddin5527
    @mohammedfareeduddin5527 5 років тому

    Can we apply direct method of finding centroid to I,Z,C section of rectangle??

  • @amitmishra958
    @amitmishra958 4 роки тому

    Very nice sir 👌👌👍

  • @rayanamatya
    @rayanamatya Рік тому

    I'm getting problem with M.O.I. OF SEMI CIRCLE ABOUT x-x & y-y axis
    Plse reply with clear concept hearty request 🙏🙏🙏

  • @sweetygadde5246
    @sweetygadde5246 5 років тому +1

    Thanq sir

  • @habeeljaveed6568
    @habeeljaveed6568 Рік тому

    Sir what is the moment of inertia of semi circle along y-axis

  • @AwolRedi
    @AwolRedi 7 місяців тому

    Sorry I think that when you are calculating the area of semi-circle you made some eror that is πr square divided by 2 becouse it is semi-circle

  • @dhiraj.govindvira
    @dhiraj.govindvira 5 років тому

    Thank you very 😇 much.

  • @shivakumardodamani3178
    @shivakumardodamani3178 3 роки тому

    Thank you sir

  • @Hartel-eu3jr
    @Hartel-eu3jr 2 роки тому

    Kindly help us to find the polar moment of inertia and the radius of gyrations

  • @artisticmaurya
    @artisticmaurya 4 роки тому

    MOI OF semicircle ?? Is there any video ??plz reply

  • @francisterenceamit886
    @francisterenceamit886 3 роки тому

    THANK YOUUU!!!!!!!!

  • @تمرآيےهہ
    @تمرآيےهہ 4 роки тому

    Please, where can I find this question in the source?

  • @lakshmik9007
    @lakshmik9007 4 роки тому

    sir can u pls explain moment of inertia of inverted T section

  • @KAMISETTYSATYASAKETH
    @KAMISETTYSATYASAKETH 4 роки тому

    y the two semicircles are subtracted sir?

  • @sengulseydaylmaz2637
    @sengulseydaylmaz2637 Рік тому

    0.11 formula If we do not know how can we solve with 0.393

  • @manishkhangar7333
    @manishkhangar7333 6 років тому

    Pls tell about MoI of L section

  • @chikilerenukadevichikilerenuka
    @chikilerenukadevichikilerenuka 4 роки тому

    Area of semi circle =pi r*2/2

  • @kushalkhadka6707
    @kushalkhadka6707 3 роки тому

    nice

  • @yashbhaigaming6204
    @yashbhaigaming6204 Рік тому

    area of x2 and x3 is wrong and iyy3 is also wrong becoz of x3 has been changed

  • @sureshbabucheedella8147
    @sureshbabucheedella8147 5 років тому

    Sir small doubt ,can moment of inertia can be negative value ?

    • @srinidhibhat
      @srinidhibhat 4 роки тому +1

      No it will never be because area and distance will both always be positive themselves more or less on a plane it wont be negative. I think correct me if i am wrong

  • @yograjparajuli6506
    @yograjparajuli6506 4 місяці тому

    12:32 to 12:40

  • @youfit5883
    @youfit5883 6 років тому +1

    I yy2 and I yy3 values will not be same

  • @tinkuji4040
    @tinkuji4040 6 років тому

    sir rolling ka video chahiye pls

  • @Nkennedyyyy
    @Nkennedyyyy Рік тому

    1:39 X does not match 6 after verification

  • @thrivarn_arjun_9569
    @thrivarn_arjun_9569 5 років тому

    In text book taking x1=-6 why

  • @yograjparajuli6506
    @yograjparajuli6506 4 місяці тому

    09:40

  • @yograjparajuli6506
    @yograjparajuli6506 4 місяці тому

    09:40 to 10:00

  • @vamsikrishna9876
    @vamsikrishna9876 4 роки тому

    Problems on product of inertia

  • @gamebredtv804
    @gamebredtv804 3 роки тому

    sir pls upload derivation for moment of inertia for rectangle,semi circle,triangle,etc.,

  • @satishmaddeshiya7457
    @satishmaddeshiya7457 5 років тому

    Area of semicircular is wrong

  • @sanjaybhargav1948
    @sanjaybhargav1948 6 років тому +1

    First like

  • @AmirHussain-rt3my
    @AmirHussain-rt3my Рік тому

    a little bit mistake of figure 2

  • @thenature1603
    @thenature1603 5 років тому

    Wasted my 3 hrs as u was not getting right answer because you had written Area of semi circle wrong..., rest is good..

  • @RamFitness-32
    @RamFitness-32 8 місяців тому +2

    All things are correct but addition is wrong.

    • @mierdaa
      @mierdaa 7 місяців тому +1

      I think he subtracted the value of the rectangle from the values of two semicircles (since it's a hollow in the rect)

  • @ArshadKhan-dj7ce
    @ArshadKhan-dj7ce 4 роки тому

    Yrr

  • @SurajKumar-tf9iz
    @SurajKumar-tf9iz 5 років тому

    Faltu

  • @ssss8619
    @ssss8619 Рік тому

    Sir, can you explain how to get 0,11r⁴ for the Inertia of si circle?