Newton's Third Law of Motion - Action and Reaction Forces
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- Опубликовано: 6 окт 2024
- This physics video tutorial explains the basic concept of newton's third law of motion. It contains plenty of examples demonstrating newton's 3rd law of motion in action as well as a few practice problems calculating force, mass, and acceleration. Newton's third law states that for every action force, there is an equal but opposite reaction force. So action and reaction forces have the same magnitude but are opposite in direction.
Forces - Formula Sheet:
bit.ly/4duMv3W
Newton's 1st Law of Motion:
• Newton's First Law of ...
Newton's 2nd Law of Motion:
• Newton's Second Law of...
Newton's 3rd Law of Motion:
• Newton's Third Law of ...
Mass Vs Weight:
• Physics - What Is The ...
Free Body Diagrams:
• Free Body Diagrams - T...
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Normal Force Problems:
• Normal Force Physics P...
Elevator Physics Problem:
• Elevator Physics Probl...
Net Force Physics Problems:
• Net Force Physics Prob...
What Is a Normal Force?
• Physics - What Is a No...
Static Friction and Kinetic Friction:
• Static Friction and Ki...
______________________________
The 4 Fundamental Forces:
• The Four Fundamental F...
Centripetal Acceleration:
• Introduction to Centri...
Final Exams and Video Playlists:
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Full-Length Videos and Worksheets:
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Forces - Formula Sheet: bit.ly/4duMv3W
Physics PDF Worksheets: www.video-tutor.net/physics-basic-introduction.html
Full-Length Videos & Exams: www.patreon.com/MathScienceTutor/collections
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i have a physics test tmr and this video saved me a lot of time because the teachers at our school teach at poor quality, this is why we should be investing in digital forms of learning, thank you for the help
we need to invest in teachers that actually teach lol
Word!! Newman, you called for digital learning and 2020 heard you. that's newton's law
same
You're a real life saver I have exams coming up and your channel has helped me more than the lecturers
I'm literally learning a 2 month lecture in few days😂😂💪
Same here
I just found this, and it is going to save my college physics grade.
Did it work?
These are college physics?
@@NoLongerVoid you do know that they teach basic physics concept in Physics 1 right?
We have this in 9th std
@@Ayushi-sc4gt you realise in universities they recap basic concepts, stop trying to boost your own ego
It’s nearly 11pm at night got a exam tmr at 9:30 am, first period and ur out here saving grades. Can’t thank you enough man 🤟🏾💙 W teacher
sukran habibi, got a physics midterm tomorrow and this really helped me out
Man you are so awesome. I really admire your passion in teaching and somewhat envy you :(. I don't know your age or if you're already in college or what, but you sound just like an average senior high school student. So the fact that you've already nearly-mastered all branch of sciences and also math is truly mesmerizing. Not to mention you now teach what you already have known, or you're just really a fast learner who read, study, and teach what you learned. Nonetheless I hope you the best! Keep doing what you're doing 'cause it fuels me to learn more about science (especially Chem). Last 4 years, I have been trying to master every branch of Math up to Calculus now that I'm in the 12th grade. But then I realize that I need to be a jack of all subjects to be the top student in my class. How I wish you also make Biology videos hehe :)
Country name
as someone who did not do physics and focused on the social sciences, this is so exciting and just darn incredible to hear. yall are dealing with some interesting ish.
Same except my classes are more focused on economics. I'm filled with regrets but im now going back to pursue science. Everytime I learn something new about physics i can't sleep because I'm so in awe of how everything fits
Thank you. These examples all made so much sense
"so now you know how a rocket works"
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After that sentence i was like cool....i can be astronaut now😆😁😁
Wow rocket science is not that hard.
@@EmilJustinCerio;(
if Sarah is exerting a force of 540 N west, wouldn't you plug in the -540 N for the force and then her acceleration would end up being negative 6 m/s? (ie. she's being pushed backwards)
That's what I did, you still get the same answer it's just a different direction. So it will be 6.0 m/s^2 (backward)/(left)
Who dislikes his videos? That's the real head scratcher.
Imagine you have a ball in your hand 🤣
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Genius chemistry professor
The whole mass acceleration thing has me thinking of how the fat kids were slow runners and the small ones were really fast lol
Not funny
@@jirachanonanurakdaenthai1121 you're fat aren't you
U are rude I bet that u are very cruel
@@punithpalam808 i can be, and I bet you're obese as well aren't you?
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Bestest page I ever come across
For starters, thank you for yet another great video. IMHO, I think your channnel is one of the best science and maths channels on RUclips.
1. I do have a slight problem with your skater analogy. You do not have to be standing on ice to "feel" (0:42) the reaction force, from throwing the ball. I would possibly have clarified the role of friction, or rather the lack thereof, in this case a bit better.
2. Regarding the astronaut analogy, you correctly state the assumption that there are no other planets nearby (3:16) so it is just out of interest then to note that, in a normal universe filled with planets and all sorts of other stuff, throwing the ball "down" will NOT move the astronaut "up", it will merely increase the eccentricity of the astronaut's orbit* AND most likely not even in the intended direction. I can envisage a scenario for e.g. where throwing the ball "up" will also move the astronaut "up".
* ALL objects in space are ALWAYS in a net trajectory influenced by gravity from ALL other objects in space.
we love you the organic chemistry tutor
3 years later and you still are my shield and sword... THANK YOU 🙏🏼
This guy is better at explaining than my teacher he's a savior
"so now you know how a rocket works"
Me: *Applies for a job at NASA*
Thank you so much this detailed video really helped me out with solving my physic hw problem.
This is awesome men. This is my topic today. Thankyou thankyou thankyou.
¡Muchas Gracias amigo! ¡Estoy muy agradecido!
gosh I'm so thankful I found this channel
Thank you you really help me today
now imagine you have a ball in your hand
ok now what
balls
Bro😂
I have a question, what is the cause of reaction force, like why is a reaction force is generated(ik not the right term)
10:39 why Sarah acceleration is not negative, given a is a vector quantity?
I was about to ask the same question but I couldn’t find an answer….
I use my tank's cannon to accelerate faster towards the opposite direction.
you are awesome sir,,,l would like to have more of these.
THANK YOU NO ONE ELSE MADE SENSE EXCEPT YOU
you are literally amazing, thank you!!!
Thank you so much and I wonder why are we learning this in sixth grade
Thanks a lot!!!
Well explained..Thank-you
A hammer travelling with 50m/s strikes a nail and comes to a stop. Calculate the force of the hammer on the nail and the nail on the hammer. Which one is postive and which one is negative
This man is powerful
Thx, dude i think i am going to pass my exam
did you?
Did you?
What is the difference between the action-reaction force and equal and opposite one)
Sir in your example 1 in this video, the force of Sarah supposed to be -540N right, and her acceleration to be -6mls^2
Thank you so much sir it's a big help please make more videos.
when are you going to go through this in physics
??
Got a fun and "harder" question for u to solve ;D
A woman is skiing down a snow-covered hill. The coefficient of kinetic friction between the skis and the snow is μk = 0.0800. The hill is at a 60.00° angle from the horizontal. The skier's mass is 55.00kg. What is the magnitude of the force along the skier's direction of motion?
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Came here to let ppl solve more difficult questions like they ask. Hby? Came here to add wrinkles on your face being that grumpy?
@@jehehe76tcixi mgsin(x)
He is a such life saviour 😄
Thanks
Thank you so much
What is the difference between the action-reaction force and equal and opposite one?
I know it's a year late but this has been a question I've been pondering about for a while now also.
Thank you so much😊
U are absolutely great 👍
great job sir
With equations like F=MA, why use newtons for the force and not kg/meter? Does the newton just so happen to work without a crazy conversion? What a coincidence?
How do kgs measure mass but lbs do not? Is mass the amount of atoms in an entity or the amount of electrons, or something else?
Thank you
THANK YOU
What would each of the gals acceleration be if both had their legs sunk a foot down in a very thick mud? Please calculate? Thank you.
I can't believe i get it , you are a genius
This was the only vid that helped.
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Thank you!
In your example Lucy applies 540 N force on Sarah and Sarah just standing there. Is that correct? so that is how the equation ended up as you have it. What if Sarah wasn't just standing there but also exerted say another 200 force on Lucy at the same time. How would your equation would like then? Thank you.
Thank You Sir
Best explained
don't worry, it's just physics, not rocket science. Oh wait... jokes aside this is a super helpful and well explained video
I don't want to seem like a weirdo but you have such beautiful voice 😅😊
Thanks amarer
Sorry if this is a dumb question but at the end acceleration was measured in m/s2 and the unit depends on what the velocity is measured in right? So how do we know if it's m/s or not?
no, always acceleration is in m/s^2 and forces are in Newtons etc. Ssorry if I'm late/didn't explain properly
thanks man
This dibbot help WHATBIS A DEFINITION FOR REACTION
Thanks for this video, now I'm going to build a rocket and be a rocketman
you're the best!
If you to space is empty how can U booster rocket in vacuum the Space
when the rocket burns and get fire on it , what is the cause of the fire ??????
I just wanted to ask, do you also teach X-camp coding (java)? I think I have heard your voice before, thank you for your help as a teacher! Is it really you though (please respond)?
Nope. I don't teach it.
Good video
Aight next time I'm taking a lot of balls with me on the boat
U are really great
Thankyouuuuuu.
thanks sir...
do you have exercices about this with the correction ?
May I ask where did you get the square? Thanks
So ap = durability?
Now I know how rockets work!
If these forces are equal,(in case of a rocket or a balloon)do net forces equal zero.If so,how does it move forward ?😖confused.
In the case of the ball and the person it's a much easier visualization. But in the case of the rocket or balloon, the gasses still have masses. So think of it as if the balloon is throwing the air, which is a tiny mass and therefore must be moved very quickly, to move itself. Actually a balloons mass is tiny too. Rockets are much more impressive. The mass of fuel on them is not at all tiny. And the speed is amazing. The fire coming out of a rocket engine is about as hard as an eraser.
I got full marks just by watching three of ur videos 😭💀
Thank youuu
Earth move 65.000.000 ?
This can't be true. NIST (National Institute of Standards and Technology) have proven that newton's law is incorrect. They stated that WTC 1 & 2 collapsed at speeds just short of free fall due to the smaller, less dense portion of the 17 upper floors took out the bottom stronger and more dense 93 floors in 11 seconds.
Further they state that wtc7, 47 story's high collapsed at free fall speeds on 6.5 seconds due to office combustion fires on several floors.
If you take a loom at the collapse of all three buildings, including wtc7 where No plane hit you will see that the law of motion did not exist that day. It was as if newtons law was suspended for that one day. Take a look
How is the force equal??
Hello! I just want to ask something because I am confused regarding with the result in example, for sarah since it has a negative force, doesnt mean that its acceleration would be negative also? Is this correct or not? I hope you'll be able to read this.
Since Lucy exerts a force in a positive direction onto Sara, Sara would accelerate in a positive direction at a rate of 6m/s^2. But since the force Sara exerts of Lucy is in a negative direction, Lucy would accelerate in a negative direction at a rate of 9m/s^2.
@@vikasha5064 Does that mean that Sara will move away from Lucy at 15m/s^2 and vice versa
Mack 20
So lets say I am just standing and not exerting any force on someone at all and some guy comes and pushes me with a 1000 N force why do I fly 2 feet back. I exerted no force at all. Or you mean the fact that because I was standing there with my mass and then I accelerated 2 feet back shows that I had applied 1000 N force and the combined push back of force on me ( My mass X that acceleration) was what I got back? Is that how it works?
You did exert a force. It might not have been on purpose, but if something is Contacting you, you're exerting a force on it. Imagine trying to exert a force if 1000 newton's onto open air. You simply couldn't. You have to have something to push against, and whatever you push against pushes back just as hard. Now in his example, the reaction wouldn't really occur quite like that unless the people were in space. But as long as you have two feet on the ground you can redirect the force that is pushing you to the ground.
you saved me my bro
You are absolutely amazing
Nobel Prize 🏆‼️
The rock to go up in a space he take 20 times as speed song
Imagine if newton never got born
That’d be chaos
Thanks saved me from another hw detention
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Can you be my friend
Lol
England is my city so it's a bit far.
My dream is to come England in future
How you gonna flow in a space before never be in a space
SARAH! The horses have left the barn
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