GCSE Physics - Momentum Part 1 of 2 - Conservation of Momentum Principle #59

This video covers:
- What momentum is
- How to calculate the momentum of an object
- The idea that momentum is a vector quantity
- What 'the conservation of momentum principle' is
- A worked example of how you can use the conservation of momentum principle to work out unknown momentum or velocity values
General info:
- Suitable for all GCSE and IGCSE courses
- See below for whether it is higher or foundation tier for your exam board
- See below for whether it is triple or combined for your exam board
Exam board specific info:
AQA - Combined science but higher tier
IGCSE Edexcel - Separate science and higher tier only
Edexcel - Combined science but higher tier
OCR 21st Century - Combined science but higher tier
OCR Gateway - Separate science and higher tier only
GCSE Chemistry playlist:
• GCSE Chemistry - Atoms...
GCSE Biology Playlist:
• Video
GCSE Physics Playlist:
• Video

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Who is watching this in 2024😊

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Revising :)

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2hours left

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Me

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I disliked it because this isn’t how physics works.
Momentum is actually, in truth, how much force is on an object carried with the help of the flat earth, it’s flat shape makes the ball go to the right.
I hope this opens your eyes to the truth.

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[@marnieholdsworthgreen8449]

Back to online learning, my exam is actually cancelled, but I'm still trying to push myself to secure the best grades I can - this lesson is helping me understand momentum better after a confusing fast teams lesson about it the other day, thank you !!

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Thanks for all the support with these videos, sat the final science paper today and a momentum question came up which I wouldn't have smashed without your help!

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This is sooo helpful.Yuo made me understand momentum in just 7 minutes,while ma teacher failed to make me understand in an hour and 30 minutes.

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At first, I thought it's gonna be another hard topic. But with this, it change everything. Thanks man!

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Yay, glad the video helped! 🙌

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The arcana is the means by which all is revealed Morgana.

[@sarahlol7899]

thank u i finally understand. u actualy explain every single thing unlike the others who just straight up do the calculations and i'd get so lost lol

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bit by bit explanation, this is just awesome. loved this video. will definitely recommend it to everyone.

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Thanks Sricharan, we really appreciate it 🙌

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[@radrue]

wouldn't the final velocity for the first example be 4.2 m/s instead of 4.4 m/s ?

[@hellloo8649]

Yes! I got that too. Does anyone know the answer?

[@pheniceyoung9892]

24000÷5700=4.2 that what i got too

[@Tanufistrying]

1 year later and i still have no clue why its 4.4 in the video rather than 4.2

[@jakkuwolfinsomnia8058]

Thanks for the video, It’s Great having it so simply explained

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This video is Very useful and Interesting...And It is easy to understanding simply Thank you ❤

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i learn things very slowly but after watching this video i completely understood the topic! thank youu so much defo gonna watch more of these and i just subscribed!!

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Ah thank you so much, great to have you as a sub 😊

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Explained better than a teacher could ever!

[@qutaiba8654]

Thank you this really helped me during my exams -:)

[@bahezhozan1112]

I have a question the m/s it is 4.21 why you wrote don’t 4.4 m/s

[@cali5635]

great video sir however for the shared velocity of the elephant and the car i got 4.2m/s not 4.4m/s

[@aliciaosei815]

yeah me too

[@nem3sis760]

yeah i got 4.2 as well, must have been a small error in calcuation.

[@SamT1N]

Thanks for another clear and concise video.

[@Cognitoedu]

If you’d like to practise what's covered in this video, check out the lesson on the Cognito platform - cognitoedu.org/coursesubtopic/p2-gcse-aqa-h-t_3.11. The platform’s totally free, and has been built to make learning and revision as easy as possible. The main features are:
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Amadeus & Tom

[@marmar2630]

Thanks for Ur explanation! I understand well

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Very nicely explained. Would request for more topics to be taken up.

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we need a 45 min lesson when we can understand in 7 min

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How long until part 2? Good video btw

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Only a day to go! 🥳

[@pramitjain4351]

it might be too specific for me to ask this but how is the velocity 4.4 instead 4.2 at 3:48, i get there is a chance of like simply rounding it but dont understand how and why?

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Ya he made a mistake, anyway good luck for tomorrow bro :)

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[@saoranachnah-alba723]

Great vid, but I thought it was just 'p' used to represent momentum, with rho representing density. I searched this up and I cant find momentum represented by rho anywhere?

[@carpanels8956]

do your videos cover the spec for the igcse edexcel coarse because I want to make notes of your videos

[@Cognitoedu]

Hi Armor - we cover the huge majority of igcse material, however there are a couple things we didn’t include so please do check your specification/school text book to make sure you’re aware of those other little bits :) good luck with all your work!

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Isnt 24000/5700 = 4.2m/s?????

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Can u PLSSS solve one

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So according to my understanding in 4:40,it means that the gun dont just carried away with the bullet so its momentum is 0,like that?

[@jokercalculator4513]

I watched it to review this topic, and this is great!! Even I understood the part I couldn't get before
1:08 If question says 'A goes to right and B goes to left', is one object's velocity should be negative value?

[@ishaanshanavas7573]

Yea because when moving to the right it is positive so the opposite side is negative

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Thanks❤

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glad you liked it 👍

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This was an amazingly put together video, very simple to understand and loved the examples.

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ok but where do u see dinosaurs colliding with cars?

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probably a physics exam tbh

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[@annabelvanpelt1196]

6:57 but isn’t it p for momentum and rho for density?

[@ireadfanficsforcomfortandn2534]

Can we also use m x v =m x v?

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Thks useful

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wouldn't the gun be 1.95kg? considering the bullet just escaped it

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How many bullets does the gun have though?

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