Ruch po okręgu to kluczowe zagadnienie w fizyce, szczególnie istotne... Show more
Język polskiSign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
4,762
•
Updated Mar 12, 2026
•
Ruch po okręgu wzory liceum i zadania
Ruch po okręgu - Podstawy i zastosowania
Ruch po okręgu to fundamentalne zagadnienie w fizyce, które znajduje szerokie zastosowanie w wielu dziedzinach nauki i techniki. W tej części skupimy się na kluczowych aspektach tego rodzaju ruchu, jego charakterystyce oraz praktycznych zastosowaniach.
Definicja: Ruch jednostajny po okręgu to ruch, w którym ciało porusza się po okrężnej trajektorii ze stałą wartością prędkości, ale ciągle zmieniającym się kierunkiem i zwrotem wektora prędkości.
Highlight: Wektor prędkości w ruchu po okręgu jest zawsze styczny do okręgu i prostopadły do promienia.
Kluczowe pojęcia związane z ruchem po okręgu to:
- Okres - czas potrzebny na wykonanie jednego pełnego okrążenia.
- Częstotliwość - liczba okrążeń wykonanych w jednostce czasu.
Vocabulary: Przyspieszenie dośrodkowe to przyspieszenie występujące w ruchu po okręgu, skierowane zawsze do środka okręgu.
Wzór na przyspieszenie dośrodkowe w ruchu po okręgu to:
a = V²/r
gdzie:
- a - przyspieszenie dośrodkowe
- V - prędkość liniowa
- r - promień okręgu
Example: Dla samochodu poruszającego się po łuku drogi z prędkością 20 m/s po okręgu o promieniu 100 m, przyspieszenie dośrodkowe wynosi: a = 20²/100 = 4 m/s².
Siła dośrodkowa jest niezbędna do utrzymania ciała w ruchu po okręgu. Jej wartość w ruchu jednostajnym po okręgu pozostaje stała i można ją obliczyć ze wzoru:
F = mV²/r
gdzie:
- F - siła dośrodkowa
- m - masa ciała
- V - prędkość liniowa
- r - promień okręgu
Highlight: Rolę siły dośrodkowej mogą pełnić różne siły, w tym siła grawitacji, co ma szczególne znaczenie w ruchu ciał niebieskich i satelitów.
Prędkość satelity krążącego wokół Ziemi można obliczyć ze wzoru:
V = √
gdzie:
- G - stała grawitacyjna
- MZ - masa Ziemi
- r - odległość satelity od środka Ziemi
Definition: Pierwsza prędkość kosmiczna to prędkość satelity krążącego tuż przy powierzchni Ziemi, wynosząca około 7,9 km/s.
Vocabulary: Druga prędkość kosmiczna to prędkość, jaką należy nadać ciału na powierzchni Ziemi, aby pokonało siłę grawitacji Ziemi i oddaliło się od niej. Dla Ziemi wynosi ona 11,2 km/s.
Szczególnym przypadkiem jest satelita geostacjonarny, który:
- Znajduje się zawsze nad tym samym punktem równika Ziemi.
- Krąży w odległości około 42200 km od środka Ziemi.
- Ma okres obiegu równy 24 godziny, co odpowiada okresowi obrotu Ziemi wokół własnej osi.
Example: Satelity geostacjonarne są powszechnie wykorzystywane do przekazu sygnału telewizyjnego, zapewniając stałe pokrycie określonego obszaru na Ziemi.
Zrozumienie ruchu po okręgu i związanych z nim pojęć jest kluczowe dla dalszego studiowania mechaniki, astronomii i inżynierii kosmicznej. Znajomość wzorów i zależności pozwala na rozwiązywanie złożonych problemów związanych z ruchem ciał w polu grawitacyjnym oraz projektowaniem orbit satelitarnych.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Most popular content: Ruch po okręgu
Most popular content in Fizyka
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Ruch po okręgu wzory liceum i zadania
Ruch po okręgu to kluczowe zagadnienie w fizyce, szczególnie istotne dla uczniów liceum. Obejmuje ono analizę ruchu ciał poruszających się po okrągłej trajektorii, z uwzględnieniem takich pojęć jak prędkość, przyspieszenie dośrodkowe i siła dośrodkowa. Zrozumienie tych koncepcji jest fundamentalne dla... Show more
Ruch po okręgu - Podstawy i zastosowania
Ruch po okręgu to fundamentalne zagadnienie w fizyce, które znajduje szerokie zastosowanie w wielu dziedzinach nauki i techniki. W tej części skupimy się na kluczowych aspektach tego rodzaju ruchu, jego charakterystyce oraz praktycznych zastosowaniach.
Definicja: Ruch jednostajny po okręgu to ruch, w którym ciało porusza się po okrężnej trajektorii ze stałą wartością prędkości, ale ciągle zmieniającym się kierunkiem i zwrotem wektora prędkości.
Highlight: Wektor prędkości w ruchu po okręgu jest zawsze styczny do okręgu i prostopadły do promienia.
Kluczowe pojęcia związane z ruchem po okręgu to:
- Okres - czas potrzebny na wykonanie jednego pełnego okrążenia.
- Częstotliwość - liczba okrążeń wykonanych w jednostce czasu.
Vocabulary: Przyspieszenie dośrodkowe to przyspieszenie występujące w ruchu po okręgu, skierowane zawsze do środka okręgu.
Wzór na przyspieszenie dośrodkowe w ruchu po okręgu to:
a = V²/r
gdzie:
- a - przyspieszenie dośrodkowe
- V - prędkość liniowa
- r - promień okręgu
Example: Dla samochodu poruszającego się po łuku drogi z prędkością 20 m/s po okręgu o promieniu 100 m, przyspieszenie dośrodkowe wynosi: a = 20²/100 = 4 m/s².
Siła dośrodkowa jest niezbędna do utrzymania ciała w ruchu po okręgu. Jej wartość w ruchu jednostajnym po okręgu pozostaje stała i można ją obliczyć ze wzoru:
F = mV²/r
gdzie:
- F - siła dośrodkowa
- m - masa ciała
- V - prędkość liniowa
- r - promień okręgu
Highlight: Rolę siły dośrodkowej mogą pełnić różne siły, w tym siła grawitacji, co ma szczególne znaczenie w ruchu ciał niebieskich i satelitów.
Prędkość satelity krążącego wokół Ziemi można obliczyć ze wzoru:
V = √
gdzie:
- G - stała grawitacyjna
- MZ - masa Ziemi
- r - odległość satelity od środka Ziemi
Definition: Pierwsza prędkość kosmiczna to prędkość satelity krążącego tuż przy powierzchni Ziemi, wynosząca około 7,9 km/s.
Vocabulary: Druga prędkość kosmiczna to prędkość, jaką należy nadać ciału na powierzchni Ziemi, aby pokonało siłę grawitacji Ziemi i oddaliło się od niej. Dla Ziemi wynosi ona 11,2 km/s.
Szczególnym przypadkiem jest satelita geostacjonarny, który:
- Znajduje się zawsze nad tym samym punktem równika Ziemi.
- Krąży w odległości około 42200 km od środka Ziemi.
- Ma okres obiegu równy 24 godziny, co odpowiada okresowi obrotu Ziemi wokół własnej osi.
Example: Satelity geostacjonarne są powszechnie wykorzystywane do przekazu sygnału telewizyjnego, zapewniając stałe pokrycie określonego obszaru na Ziemi.
Zrozumienie ruchu po okręgu i związanych z nim pojęć jest kluczowe dla dalszego studiowania mechaniki, astronomii i inżynierii kosmicznej. Znajomość wzorów i zależności pozwala na rozwiązywanie złożonych problemów związanych z ruchem ciał w polu grawitacyjnym oraz projektowaniem orbit satelitarnych.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
48
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Practice Test ✓ Essay Outlines
Practice Test
Quiz
Flashcards
Essay
Similar Content
Ruch Obrotowy Jednostajny
Zrozumienie ruchu obrotowego jednostajnego i jednostajnie zmiennego. Dowiedz się o przyspieszeniu kątowym, prędkości kątowej oraz ich zastosowaniach w fizyce. Materiał obejmuje definicje, wzory oraz przykłady ilustrujące te pojęcia. Idealne dla uczniów przygotowujących się do egzaminów z fizyki.
Fizyka7
Wzory Kinematyki Ruchu
Zrozum kluczowe wzory kinematyki dotyczące ruchu jednostajnego i zmiennego. Dowiedz się, jak obliczać prędkość, przyspieszenie oraz drogę przebywaną przez ciało. Idealne dla uczniów przygotowujących się do egzaminów z fizyki. Typ: Podsumowanie.
Fizyka8
Podstawy Kinematyki
Zrozumienie kinematyki: kluczowe wzory i pojęcia dotyczące ruchu prostoliniowego, jednostajnego oraz przyspieszonego. Dowiedz się, jak obliczać prędkość, drogę i czas, a także przeliczać jednostki. Idealne dla uczniów klasy 7.
Fizyka7
Ruch Jednostajny i Zmienny
Zrozumienie ruchu jednostajnego i zmiennego w fizyce. Omówienie kluczowych pojęć, takich jak prędkość, przyspieszenie oraz wzory na obliczanie drogi i czasu. Idealne dla uczniów przygotowujących się do egzaminów z mechaniki Newtona.
Fizyka7
Ruch Jednostajny i Przyspieszony
Zrozumienie ruchu jednostajnego prostoliniowego oraz ruchu jednostajnie przyspieszonego. Dowiedz się, jak obliczać drogę i szybkość w kontekście fizyki. Idealne dla uczniów przygotowujących się do egzaminów z fizyki.
Fizyka7
Kinematyka Ruchu: Kluczowe Pojęcia
Zrozumienie kinematyki ruchu: definicje, rodzaje ruchów (jednostajny, przyspieszony, opóźniony), oraz kluczowe wzory i wykresy. Idealne dla uczniów przygotowujących się do egzaminów z fizyki. Obejmuje pojęcia takie jak ruch względny, prędkość i ruch w dwóch wymiarach.
Fizyka7
Most popular content: Ruch po okręgu
Most popular content in Fizyka
Most popular content
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user