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Everything A-level Physics
Великобритания
Добавлен 15 мар 2016
Mechanics: Resolving vectors at angles (A-level Physics)
This video is about resolving vectors on slopes for A-level Physics - Mechanics. Sorry for the lack of uploads, (A-levels take up a lot of time).
If you have any questions about the video or the topics it covers - Leave a comment or email me at everythingalevel@gmail.com
Thanks for watching, hope the video helped!
If you have any questions about the video or the topics it covers - Leave a comment or email me at everythingalevel@gmail.com
Thanks for watching, hope the video helped!
Просмотров: 101 417
Видео
Particles and radiation: Nuclear decay α β γ (A-level Physics)
Просмотров 3,2 тыс.8 лет назад
This video covers the topic nuclear decay for A-level Physics - the particles and radiation section. Sorry for the lack of uploads, (A-levels take up a lot of time). If you have any questions about the video or the topics it covers - Leave a comment or email me at everythingalevel@gmail.com Thanks for watching, hope the video helped!
Particles and radiation: Forces in the Nucleus (A-level Physics)
Просмотров 4,1 тыс.8 лет назад
AS-Level Physics revision video - This video covers the theory regarding the forces acting in a nucleus of an atom, which is an important part of the particles and radiation section of A-Level physics, if you have and questions about the video or the topics it covers - Leave a comment or email me at everythingalevel@gmail.com
Particles and radiation: Specific charge (A-level Physics)
Просмотров 5 тыс.8 лет назад
AS-Level Physics revision video - This video covers the specific charge topic in the particles and radiation section of A-level physics, if you have any questions about the video or the topics it covers - Leave a comment or email me at everythingalevel@gmail.com Thanks for watching, hope the video helped!
Particles and Radiation: Introduction (A-level Physics)
Просмотров 9 тыс.8 лет назад
AS-Level Physics revision video - This is an introduction to the particles and radiation section of A level physics, sorry its a bit long, future videos should be shorter, if you have any questions about the video or the topics it covers - Leave a comment or email me at everythingalevel@gmail.com Thanks for watching, hope the video helped!
thank you so so much
Thank you ! I UNDERSTOOD !
please make more videos these are so helpful
umm come back please 😭😭😭
bruh im doing gsce physics why are my teachers making me do this
You should do more of these videos!!! They are amazing
I don't know why you gave up making these physics videos, but just know you stopped me from giving up on physics
Very helpful! Wish this channel was still going...
Quality video thanks for helping me out
Perfect.
Thank you! Sometimes i struggle to know when i should resolve or not though.
I don’t understand why you did 98.1N - 28.13N, because they are not acting in the exact opposite direction
they are
Thanks for this video it really helped
I didn't understand on how you came up with the 49
What a surprise, the best explanation on a topic in physics, on youtube, is by a fellow student, cheers
i think i should just stop wasting my time at school and just learn on youtube cause these guys teach way better than any of my teachers ...makes me angry jus thinking about it!
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
Hey can you tell me any other Physics tutoring youtube channels
@@Nohandlenonamenothing there definitely isn't one... I just used to look for a topic and learn but khan academy was on my list and I cannot remember the rest... It's been almost a year lol
👍
Since the force is acting downwards at F1 wouldn't the value calculated be negative?
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
for the specific charge of a carbon 12 ion with 8 electrons, did you forget to find the mass of an electron because you seem to have only calculated the mass of the protons and neutrons
I think its bcos the mass is so small that it's negligible, but idk maybe he just forgot aha
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really helpful
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
i was looking for statics of rigid bodies problems and now i realize im a retard for choosing an engineering course
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
Thank you SO x 10^100 much I was looking for it everywhere
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
Nice video, my physics teacher actually made us watch this as part of our virtual school
Why did you use sin in the second example
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
consider me a new subscriber 😭😭this made so much sense, thank you so much!!!!!
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
you are literally my dad.. ty
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
Shouldn't the answer be -4.66 in 2nd question ?
My man this question came out for my test and I blanked out XD
ruclips.net/video/vFDMaHQ4kW8/видео.html 💐..
I didn't understand anything
Thanks for the lesson *
Thank you that was helpful
At 9:54, how is the angle 35? Since the given angle is not part of the diagram, I am not sure how they are equal?
Exactly my question
The angle between the vertical and the line perpendicular to the slope is always equal to theta (the angle of the slope, (which in this case is 35 degrees).
@@ieatmentoss1714 Thank you very much for your reply.
How did u find the angle of the triange?u said they r same bt can u show it plz?
Hey just a question, in your last example you resolved the force by multiplying it by sine but you did not do that for weight (multiplying by cos)? You resolved the force parallel to the plane so why did you not do the weight perpendicular to the plane too?
as that is balanced by the reaction force acting in the opposite direction to the cos component of weight
you know how you said that F is equal to W1, is it negative because it is in the opposite direction or is it just the exact same number? Thanks
If the question made it clear that there was a positive and negative direction then I would make it negative, but normally I would just leave it as the exact same number. In my experience, questions are really asking for the magnitude of friction and don't care about the direction. (But don't quote me on that, I don't know what specification you're using so it could be different.)
Hey, I came here to find out how you know where in the triangle theta goes, and I still don't understand, since it wasn't explained in the vid ("because of geometry"). Anyone able to explain? Thanks
Consider the fact that the parallel component (W1) makes the angle theta with the horizontal. If we extend the horizontal beyond the weight force, then we can add up the sum of the angles on a straight line (180 deg). The weight force makes an angle of 90 deg with the horizontal, leaving the remaining angle as 90 deg subtract theta (angles on a straight line). This last angle is also the angle between the weight force and W1 in the vector triangle diagram. The sum of the angles in a triangle = 180 deg. Therefore, the remaining angle, which is the angle between W and W2, must be equal to theta. I hope that helps. I wish I could have drawn a diagram
I also don’t understand it. Can someone please explain🙏🙏
@@nkanyisongcobo5811 thanks!!
@@nkanyisongcobo5811ur a w for dat
that was helpful but i dont get how youn know wether to do sin(-) or cos(-)
You need to know that, in a right-angled triangle, sin(x) = o/h, and cos(x) = a/h. (There's no special reason why these equations are correct - the definition of sin and cos comes from these equations, so you can't really derive them.)
I've just started A levels physics and this helped me!!! Thanks a lot!!!!!!!!!!! :)
How did u do?
So grateful to you but how did you calculate the value of sin 35'
You can use a calculator in most exams to calculate with trigonometric functions
Finally someone can make sense to me❗
Would you have to take into consideration the friction on the box from the slope, which would be acting in the negative direction if the box is pulled up the slope?
why arent we finding the resultant force by drawing a vector diagram ?
Man... I didn't understand why we had to draw w1 and w2 even after 3 teachers explained it to me. After u said "u need to RESOLVE" I immediately understood. As physics teachers I think they should at least mention the important terms. I guess it's just that they are.... badd....Very bad
not all of them!
Very helpful, Thank you.
Subscribed.
thanks very much.just dat when we where adding F1 and F2 why did we add as if they where scalars when they are acting at an angle to each other
your video and explanations are awesome please make video about cooplanar forces
Thanks
kindly make some more videos, you are awesome