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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Glad we could help!

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[@loppol6035]

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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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!

[@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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ig thats always the case

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once again so helpful! THANK YOU

[@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

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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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[@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.

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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 🙌

[@bahezhozan1112]

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

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Explained better than a teacher could ever!

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

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

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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

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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?

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That's great, glad you're finding the videos simple 👍

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amazing explations

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I do understand the concept but the questions that come in the Igcse paper are confusing
Can u PLSSS solve one

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How long until part 2? Good video btw

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Only a day to go! 🥳

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OH MY GOD THANK YOU, i was having PTSD from this topic but you explained it better than my teacher in 7 minutes. Liked and subscribed, keep up the good work.

[@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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really great to hear you understand it now 😊 glad we could help!

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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!

[@ryan_the_akm]

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?

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Bro u just made me pass my science test

[@chickenburger-dz6xn]

how did u say that the total momentum before=total momentum after, but in the gun and bullet example the total momentum of them after the action was not 0 ??? somebody explain please

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Life saver

[@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

[@d.5lefar130]

Thks useful

[@jinethweragama1218]

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

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glad you liked it 👍

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[@karrarx2084]

Rho is gor density. P is for momentum

[@annabelvanpelt1196]

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

[@beingnormal1899]

But if we subtract 0.6 from both 2v and 0.6 how is that -0.6? Isn’t it 1.4 and 0?

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Are the physics videos in order ?

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

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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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