Relative Motion and Inertial Reference Frames

47 thoughts on “Relative Motion and Inertial Reference Frames”

1. Pretty good explanation !!!!!!

2. Vry helpful tq soo much?

3. ❤️

4. i loved it !!!!!!!! it was so coooooool omfg i lmfao

5. that is a good looking professor …

6. Paul Pierce brought me here

7. I don't get why you don't get recognition already…..you are THE GREAT EXPLAINER after Fynmen….I am not exaggerating. You have potential…..just keep making these outstanding lectures without being discouraged.

8. Everything is relative

9. my confusion is cleared.thank you professor.

10. Hi professor ,I have one doubt the Earth moves faster nearer to the sun and moves slower farther to the sun the velocity is not constant it is varying between some values so from your point of view Earth is an inertial frame of reference but the condition for inertial frame of reference it obeys Newton's I law (constant velocity) . please explain?.I am confused.

11. what is the movement of vehicle direction when coin falls behind me.. … reply must …….

12. I have one doubt professor. From Kepler's II law the Earth moves faster nearer to the sun, why Earth's velocity is varying in its elliptical path?

13. Meanwhile, some flattards believe that the Earth is stationary.

14. I read few Physics books to understand this and you explains this so well ! Thank you !!

15. ranbeer kapoor nice video

16. Prof.Dave yo rock
    Remember, you could be the best teacher the humanity has ever seen …
    Cause ya shrunk a hour class into 6 mins and still it is well understandable

17. Make more videos like it……

18. Amazing explanation dude ….?

19. You’re a noob

20. Consider the best the freshest!

21. thank u so much sir

22. Is to photons of same frequency can collide

23. Thank u so much sir

24. JESUS EXPLAINS

25. Unuseful

26. Flat-earth cavemen still don't get it.

27. Much much better than any of the other videos??

28. Why don't we feel the motion of earth

29. Best videos.
    Really appreciable.Your videos are not getting views but as you will give time the things will start getting better and better.
    Keep up the good work. Your work is competing khan academy and Physics Videos By Eugene Khutorya.
    May you live long and happy life.

30. I've been trying to get this through to people who actually think the Earth is flat…. Please tell them about relative motion….

31. By the logic discussed in this video then isn’t it perfectly legal to say that the earth is the center of our solar system and the sun does revolve around us if we take our planet as the inertial reference point?

32. I CAN'T BLV…..

33. Well, what is absolute velocity?

34. special theory of relativity

35. Amazing Thanks!

36. Perfectly explained..❤

37. My favourite science teacher forever

38. Simple, straight forward and with illustrations that make sense. Excellent video. Thanks.

39. Good observation

40. Velocity of Earth surface is 1700 Km/hr. (Inertial reference frame is the center of Earth)
    Velocity of Earth around Sun is 30 Km/s. (Inertial reference frame is Sun)
    Velocity of Solar system is 20 Km/s. (Inertial reference frame is center of Milky Way)
    Velocity of Milky Way through the Universe is 230 Km/s. ( WHERE IS INERTIAL REFERENCE FRAME? )

41. 1:47 looks like jesus

42. Excellent explanation! My book was not very helpful for this section and basically just gave me an equation without going into almost any detail.

43. It's great that he mentions the cop. Prove in a court of law "Relative Motion" you can't which debunks it all.

44. resultant movement and movement of inertia please guide me

45. Let's talk about absolute position and reference frames. Positions that physicists calculate in each reference frame is a partial and ultimately incomplete calculation when it comes to position – in fact there is absolute position and all observers from each reference frames can agree on position if they have the proper equations gauges, sight, and instruments of all kinds. Absolute position is calculated by taking into consideration all the reference frames or the total reality of say a ball bouncing on a moving train. All viewers from every reference frame can agree with equations a gauges etc. As stated. For instance – a ball bouncing on a moving train – observer 1, a person standing at the side of the train tracks – observer 2, a person in outer space that is motionless. The person that is motionless in space sees all reference frames and can calculate absolute position quite easily – but infact they can all read or detect all reference frames to to the calculation, like the person on the train with a telescope that sees the person motionless in space, has a compas, has a speedometer, sees position outside looking through the window and all equations. The fact is they will all agree on position if the calculation of position of the bouncing ball is completed fully with all the reality behind the bouncing ball – all reference frames – which can all be detected and calculated- that is absolute position. Everything else I like to call a relative position – which ultimately are incomplete calculations of actual or absolute position.

46. This went over flat earthers heads. They need the version where you have a bunch of memes.

47. Great

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