Moments of a Force | Horizontal beam in equilibrium on 1 support

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ExamSolutions

ExamSolutions

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@topaussiemezza5715
@topaussiemezza5715 7 жыл бұрын
Clear & good stuff. Crazy that this is from 2012, already.
@ExamSolutions_Maths
@ExamSolutions_Maths 7 жыл бұрын
Time flies by
@MJ37382
@MJ37382 3 жыл бұрын
Maths is one of the few subjects that often transcends time.
@ibrahimshafi2064
@ibrahimshafi2064 3 жыл бұрын
@@MJ37382 ok Joseph
@theintellectualdeath8730
@theintellectualdeath8730 3 жыл бұрын
@@ExamSolutions_Maths Seriously 3 years passed already
@amrinahmed2279
@amrinahmed2279 4 жыл бұрын
Crazy stuff man. Love it. Love from 🇧🇩 Bangladesh
@Katielizc22
@Katielizc22 11 жыл бұрын
I'm really struggling with this part of physics but this video is really helpful, so thanks a lot :)
@jhonnybhai4296
@jhonnybhai4296 5 жыл бұрын
Thank you Sir...the video is old but it amazing... understood the concept without any probs..(much better than my teacher). Watching in 2019
@ExamSolutions_Maths
@ExamSolutions_Maths 5 жыл бұрын
Thanks for watching despite its age.
@ExamSolutions_Maths
@ExamSolutions_Maths 11 жыл бұрын
Sorry, but I am confused by your question. I did convert all the forces to Newtons and to do that we multiply by g. g being 9.8
@FatimaZahid00
@FatimaZahid00 3 жыл бұрын
Thanks a lot. It really helped me!
@ExamSolutions_Maths
@ExamSolutions_Maths 12 жыл бұрын
It is. It is the only upward force supporting the downward forces of the weight of the plank and children
@ExamSolutions_Maths
@ExamSolutions_Maths 11 жыл бұрын
You're welcome
@MinecraftCurios
@MinecraftCurios 3 жыл бұрын
Minecraft curios approves!
@PinkBroBlueRope
@PinkBroBlueRope 2 жыл бұрын
i was afraid this video wasnt legit but thank God it's Minecraft Curios approved
@Riplure
@Riplure 12 жыл бұрын
what program do you use
@LondonWalkability
@LondonWalkability 12 жыл бұрын
why is the contact force (R) not factored in for the kids on the bench?
@584emad
@584emad 11 жыл бұрын
I got it , thank you , i made a mistake , but thank you anyway :)
@ExamSolutions_Maths
@ExamSolutions_Maths 12 жыл бұрын
Hope you don't drop off to sleep!
@ameena6485
@ameena6485 5 жыл бұрын
We'd have to calculate the moment and force of that turning point!
@584emad
@584emad 11 жыл бұрын
Sir , can we first convert all the forces to newtons so we don't get confused with g ? also we don't need to multiply it by 9.8 ?
@PinkBroBlueRope
@PinkBroBlueRope 2 жыл бұрын
I was also confused by the g, I wasn't sure what it meant or why he converted 10kg into 10gN. Have you found an answer for this, 9 years later?
@Maxoplasm
@Maxoplasm Жыл бұрын
@@PinkBroBlueRope Because 10gN is the force (Weight = mass x gravity (g)), while 10kg is just the mass.
@PinkBroBlueRope
@PinkBroBlueRope Жыл бұрын
@@Maxoplasm Thanks for replying. It might be better to just say that g in this context is 9.8
@Ashxxii
@Ashxxii 2 ай бұрын
@@PinkBroBlueRope😂
@eeshairfan5677
@eeshairfan5677 8 жыл бұрын
Sir, why do we not take into account the contact force of the children? why do we not include those in the equation as well? thank you so much, your work has helped me loadz!
@ExamSolutions_Maths
@ExamSolutions_Maths 8 жыл бұрын
+Eesha Irfan We are only interested in the forces acting on the plank. The contact forces you mention act on the children not the plank.
@eeshairfan5677
@eeshairfan5677 8 жыл бұрын
+ExamSolutions oh okay, thank you so much!
@ExamSolutions_Maths
@ExamSolutions_Maths 12 жыл бұрын
Difficult to say without seeing your working.
@ssajid40
@ssajid40 12 жыл бұрын
Oh sorry, I know now! I done 4g*3, as opposed to 4g*4 !!!
@ssajid40
@ssajid40 12 жыл бұрын
sir, at 19:08, I took moments in a clockwise direction, and I got M= 11 kg, I dont know where I went wrong!
@bengeary4740
@bengeary4740 6 жыл бұрын
Shabaz Khan 5 years later this man still doesn't know... someone help him
@emmanuel73143
@emmanuel73143 6 жыл бұрын
I know it has been 6 years, you have gone through uni, settled in an apartment with the women you love, working a 9-5 you hate. But alas I finally relinquish the burden of this question from your shoulders. M(0)clockwise= 10g(1)+4g(4)-mg(2)=0. Which rearranges to m=13.
@saharfarzand6684
@saharfarzand6684 4 жыл бұрын
You must have input the value for g as 10 N that's the only way your answer can end up being 11kg
@olamijiodunlami6851
@olamijiodunlami6851 3 жыл бұрын
what did u divide b 27g to give 264.6N
@ar0z957
@ar0z957 2 жыл бұрын
You dont divide anything ,you multiply 27g by the gravitational field strength because thats what g stands for and the gravitation field strength is 9.8 ,so it would be 27(9.8) which is 264.6 newtons
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