How to find Resultant Force - Two Forces Mechanics : ExamSolutions
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- Опубліковано 17 жов 2024
- Resultant Force Mechanics.
Calculating the resultant force will be required in your mecanics and physics exams. I'll show you how to do this for 2 forces.
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You're welcome
ExamSolutions I have a doubt how can we tell in which direction the force will move ?!! Please tell
@@sheetalwalia9637 For which example are you asking the question ? If it's for the 6N and 8N example, then the direction goes from the starting point where the particle is to the head of the last vector that you drew .
@@sheetalwalia9637 direction of the resultant force.
Omg, I had so much struggle figuring out what my Phys. lecturer was showing us. But once I watched ur vid, I understood instantly. I'm pretty sure I aced my test btw. So thanks
you really should write textbooks, you would get a lot of sales. many people including myself struggle to make sense of what the textbooks we are using say, yet get the concept very quickly once we watch your videos. if you did start writing textbooks I would buy them.
Thank you but I think I will keep going with the videos and trying to improve the website
textbooks are always going to be like that for maths though. unless you want to include a full peter narrative with each page
at the time I was starting I was using CGP text books, which I don't care what people say are god awful at explaining anything. i have since found text books that explain things well, so I just had bad resources when I started. Although exam solutions videos are normally more efficient then the text books.
Yes indeed totally agree.
Same
Thank you So MUCH my gosh, going through blinkin A-level's and i still can't get my head around this concept, and how people are solving it and by 3 minuites i've already got perfect clarity on how it works, Thank you!
Thank you for this sir, do helpful! Do we need to know how to do it both ways or can we just stick with the first method?
Watching this from Zambia 🇿🇲 Ndola nortec college
I find it easy watching from UA-cam than listening to my lecture
Thanks Alot I struggled to understand the relation between the vector triangle law and the component forces but when u placed them side by side realised that the triangle law of vectors uses the cosine rule since its not a right angle triangle otherwise the component forces method creates a right angle triangle so allows trigonometry thanks alot
No problem. Pleased to hear it helped.
I was actually going to stress myself had I not come across this vedio thank you
Hopefully you are lest stressed now. Best wishes
Best tutor in the world.
sir. when will i use cos or sin? im confused. and what angle will i use.?
Thank you this was really helpful and helped me a lot on my science exam.
Glad you found it useful.
thank you I've been looking for ages for a video like this all the one I found I either couldn't understand what they were saying or they were talking about area. Thanks
why did you add 8 while resolving horizontal component and why didn't you add 8 while resolving vertical component?
thanks helped alot we were shown this in college
Thanks aloot. You hepled me alot 🤩🤩🤩 loved the way of teaching 🤩
Really helpful lacture 🔥
You cleared my doubt, Thanks teacher 👍
Glad it was helpful!
to find RN can I also use pythagoras theorem? I got 10N.
Really helpful, helped me in 6th grade science assessment :D
+Ryan Mitchell Sounds like I am reaching to outside of the UK
It helped in my 2nd grade math
Sir what software are you using?
that helps me a lot!! Thank you
Thank you so much sir!👍
Thanks for helping and sharing your knowledge ....😍😍
Hi please in my question the body is given a mass of 50kg, how do i determine the acceleration of the body and the angle of inclination of the resultant to each of the vectors.
Hi Julius, we don't answer questions that don't relate specifically to the video. Best
But how do you calculate the direction of a resultant force.
Find the angle to the horizontal of the resultant force (generally use SOHCAHTOA).
i understand the linear aspect its just the parallelogram law is the problem...oh lol you started talking about it now thank you :)
Is this for first or second year a level maths?
Your choice, one can choose to do m1 in year one or year 2
If the forces are in the same side we add them but if they are opposing each other we subtract to get the resultant or net force
great presentation good video
Thank you sir.!
Ok.If forces are vectors, why not just add them up to get the third force in the triangle? I mean, you've applied pythagoras and cosine rule to get the third force instead of just adding up the other 2 vector forces.Why?
Ok so finding the magnitude of the vector was very helpful thank you , but what about the angle?
yes, I'd like to know how to find the direction as well!
i dont get wht u mean, think of a question, because they cant give two forces and no angle, its either all forces or hints in the question... I think otherwise I'm screwed
James Corden teaching physics
Excellent.
Thank you good sir.
how did you work out the 2nd one
Perfect thankyou.
Why cant you leave the 2 forces in the 3rd example where they are and get the answer, I tried to do the example as I did in the M1 jan 2006 paper (question 4)
You should be adding vectors to get the resultant. So you must put one vector on the end of the other as I did. If you did it the way you are suggesting then the magnitude and direction would be wrong.
+ExamSolutions That makes sense, thank you.
Thank you so much, I finally understand it!
+Jess T Well done.
THANK YOU! YOU ARE AWESOME. cheers
he's really not
I dont understand the step on the x and y vector diagram
he is helpful thanks man
How about it has a the same newtons?
Thank you so much !
Your'e welcome
hope has been restored
thank you
No probs - thanks for watching and best wishes.
i feel like I am watching British version of Ross Geller (Friends) explaining me :)
Obtuse angles?
king
cosin rule is batter .....
Thank u
No problem, pleased it helped.
3:28 how is that a straight line??
Okay, half a turn then.
is he alive?
and kickin
So many useless videos which aren’t useful now
Oh well, I am pleased to read that you clearly won't be looking at my videos anymore and making remarks like this for something you get for free.
Ok.If forces are vectors, why not just add them up to get the third force in the triangle? I mean, you've applied pythagoras and cosine rule to get the third force instead of just adding up the other 2 vector forces.Why?
I am showing various methods. If I did do a vector method then i will have to resolve to get the components then to get the magnitude use Pythag anyway, so what is the difference? The methods are still the same.
Thank you so much
Wafa Rusli how can we tell in which direction will the force move if Y is greater than x