Fizika je povsod okoli nas - od telefona v tvoji... Show more
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Updated Apr 17, 2026
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Osnove fizike za začetnike
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Kaj je fizika?
Fizika je kot detektivska zgodba - poskuša razrešiti skrivnosti narave! Fizika je temeljna veda, ki preučuje snov, energijo in njune medsebojne vplive.
Zakaj je sploh pomembna? Ker ti omogoča razumeti, kako delujejo telefoni, računalniki, avtomobili in zakaj žoga pade na tla. Brez fizike ne bi imeli nobene moderne tehnologije.
Naravni pojavi so vsi dogodki v naravi, ki niso posledica človekovega delovanja - bliskanje, dež, odboj zvoka. Fizikalni zakoni so pravila, ki opisujejo, kako se ti pojavi vedno zgodijo pod določenimi pogoji.
Zapomni si: Fizika ni samo formule! Formule so orodje, pomembneje je razumeti, zakaj nekaj deluje tako, kot deluje.
Kaj fizika preučuje?
Fizika je ogromna, zato jo delimo na različna področja. Vsako se osredotoča na določene pojave, ki jih srečuješ vsak dan.
Mehanika preučuje gibanje teles in sile - ko voziš kolo ali mečeš žogo. Termodinamika se ukvarja s toploto in energijo - zakaj se voda skuha, kako deluje motor. Optika razlaga svetlobo - nastanek mavrice, delovanje očal.
Elektrika in magnetizem pojasnjujeta, kako delujejo telefoni in zakaj nastane strela. Akustika se ukvarja z zvokom - odmev, glasbila. Moderna fizika raziskuje atome in delce.
Nasvet za test: Znaj našteti vsaj 3 področja fizike in za vsako povedati primer iz vsakdanjega življenja.
Znanstvena metoda
Fiziki ne delajo na slepo - uporabljajo znanstveno metodo, sistematičen pristop za odkrivanje resnice. To je kot receptura za zanesljive rezultate.
Začne se z opazovanjem - opaziš, da se svinčnik v kozarcu vode zdi zlomljen. Potem postaviš hipotezo - predpostavko o vzroku (svetloba se upogne).
Sledi eksperiment - načrtovan poskus za preverjanje hipoteze. V vodo potopišš različne predmete in meriš kote. Na koncu analiziraš podatke in sklepaš - hipoteza je bila pravilna, pojav se imenuje lom svetlobe.
Pomembno: Znanstvena metoda je cikel. Tudi potrjene teorije se lahko spremenijo, če novi dokazi pokažejo drugače.
Fizika v vsakdanjem življenju
Fizike se morda ne zavedaš, a je povsod! Mikrovalovna pečica uporablja elektromagnetno valovanje, da povzroči nihanje molekul vode - to je toplotna energija, ki segreje hrano.
GPS navigacija deluje s signali satelitov. Telefon izračuna razdaljo iz časa, ki ga signal potrebuje za pot. Zanimivo - potrebuje celo Einsteinovo teorijo relativnosti, ker ure na satelitih tečejo drugače!
Očala so odličen primer optike. Leče lomijo svetlobne žarke in jih pravilno usmerijo na mrežnico. Pri kratkovidnosti potrebuješ razpršilno lečo, pri daljnovidnosti zbiralno.
Za razmislek: Naslednjič, ko hodiš po ulici, se vprašaj: zakaj slišim avto, preden ga vidim za ovinkom?
Pomembni nasveti in povzetek
Matematika je jezik fizike - dobro znanje enačb in funkcij ti zelo pomaga pri razumevanju. Toda ne pozabi glavnega cilja: fizika išče preproste razlage za zapletene pojave.
Pogosta napaka je zamenjevanje mase in teže. Masa je količina snovi, teža pa sila, s katero Zemlja privlači to maso. Na Luni bi imel enako maso, a manjšo težo!
Hiter povzetek: Fizika preučuje naravne pojave z znanstveno metodo. Glavna področja so mehanika, termodinamika, optika, elektrika in akustika. Je osnova vse tehnologije in ti pomaga razumeti svet.
Nasvet za uspeh: Opazuj svet okoli sebe in se sprašuj "zakaj". Vsako vprašanje je priložnost za odkrivanje fizike!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and 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 in Fizika
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Osnove fizike za začetnike
Fizika je povsod okoli nas - od telefona v tvoji žepu do mavrice na nebu. Ta veda preučuje naravne pojave in išče osnovna pravila, ki vladajo vesolju, od najmanjših atomov do največjih galaksij.
Kaj je fizika?
Fizika je kot detektivska zgodba - poskuša razrešiti skrivnosti narave! Fizika je temeljna veda, ki preučuje snov, energijo in njune medsebojne vplive.
Zakaj je sploh pomembna? Ker ti omogoča razumeti, kako delujejo telefoni, računalniki, avtomobili in zakaj žoga pade na tla. Brez fizike ne bi imeli nobene moderne tehnologije.
Naravni pojavi so vsi dogodki v naravi, ki niso posledica človekovega delovanja - bliskanje, dež, odboj zvoka. Fizikalni zakoni so pravila, ki opisujejo, kako se ti pojavi vedno zgodijo pod določenimi pogoji.
Zapomni si: Fizika ni samo formule! Formule so orodje, pomembneje je razumeti, zakaj nekaj deluje tako, kot deluje.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Kaj fizika preučuje?
Fizika je ogromna, zato jo delimo na različna področja. Vsako se osredotoča na določene pojave, ki jih srečuješ vsak dan.
Mehanika preučuje gibanje teles in sile - ko voziš kolo ali mečeš žogo. Termodinamika se ukvarja s toploto in energijo - zakaj se voda skuha, kako deluje motor. Optika razlaga svetlobo - nastanek mavrice, delovanje očal.
Elektrika in magnetizem pojasnjujeta, kako delujejo telefoni in zakaj nastane strela. Akustika se ukvarja z zvokom - odmev, glasbila. Moderna fizika raziskuje atome in delce.
Nasvet za test: Znaj našteti vsaj 3 področja fizike in za vsako povedati primer iz vsakdanjega življenja.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Znanstvena metoda
Fiziki ne delajo na slepo - uporabljajo znanstveno metodo, sistematičen pristop za odkrivanje resnice. To je kot receptura za zanesljive rezultate.
Začne se z opazovanjem - opaziš, da se svinčnik v kozarcu vode zdi zlomljen. Potem postaviš hipotezo - predpostavko o vzroku (svetloba se upogne).
Sledi eksperiment - načrtovan poskus za preverjanje hipoteze. V vodo potopišš različne predmete in meriš kote. Na koncu analiziraš podatke in sklepaš - hipoteza je bila pravilna, pojav se imenuje lom svetlobe.
Pomembno: Znanstvena metoda je cikel. Tudi potrjene teorije se lahko spremenijo, če novi dokazi pokažejo drugače.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Fizika v vsakdanjem življenju
Fizike se morda ne zavedaš, a je povsod! Mikrovalovna pečica uporablja elektromagnetno valovanje, da povzroči nihanje molekul vode - to je toplotna energija, ki segreje hrano.
GPS navigacija deluje s signali satelitov. Telefon izračuna razdaljo iz časa, ki ga signal potrebuje za pot. Zanimivo - potrebuje celo Einsteinovo teorijo relativnosti, ker ure na satelitih tečejo drugače!
Očala so odličen primer optike. Leče lomijo svetlobne žarke in jih pravilno usmerijo na mrežnico. Pri kratkovidnosti potrebuješ razpršilno lečo, pri daljnovidnosti zbiralno.
Za razmislek: Naslednjič, ko hodiš po ulici, se vprašaj: zakaj slišim avto, preden ga vidim za ovinkom?
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Pomembni nasveti in povzetek
Matematika je jezik fizike - dobro znanje enačb in funkcij ti zelo pomaga pri razumevanju. Toda ne pozabi glavnega cilja: fizika išče preproste razlage za zapletene pojave.
Pogosta napaka je zamenjevanje mase in teže. Masa je količina snovi, teža pa sila, s katero Zemlja privlači to maso. Na Luni bi imel enako maso, a manjšo težo!
Hiter povzetek: Fizika preučuje naravne pojave z znanstveno metodo. Glavna področja so mehanika, termodinamika, optika, elektrika in akustika. Je osnova vse tehnologije in ti pomaga razumeti svet.
Nasvet za uspeh: Opazuj svet okoli sebe in se sprašuj "zakaj". Vsako vprašanje je priložnost za odkrivanje fizike!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and 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.
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Most popular content in Fizika
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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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
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
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
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
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
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 apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user