Chapter- 8, Lecture-17 | Laws of Motion | Why you feel weightless in a lift? |Apparent & real weight

Chapter- 8, Lecture-17 | Laws of Motion | Why you feel weightless in a lift? |Apparent & real weight👍

In this lecture we will understand the concept of apparent and real weight in a lift. When a lift accelerates upwards, we feel heavy and and when it accelerates downwards, we feel light ; why it happens?🤔or why we feel weightlessness? we will discuss these question in detail.

Topics Covered:-
00:00 Apparent weight in a lift
03:01 Case-1: Lift at rest or moving with uniform velocity
07:33 Case-2: Lift accelerating upwards
11:17 Case-3: Lift retarding upwards
15:30 Case-4: Lift accelerating downwards
19:09 Case-5: Lift retarding downwards
22:20 Case-6: Interesting case, Weightlessness

🔗 Links of previous lectures and chapters' playlist :-

1) Chapter - 8 - Laws of Motion :-
Part1:-    • Chapter - 8, Lecture-1 | Laws of Moti...  
Part2:-    • Chapter - 8, Lecture-2 | Laws of Moti...  
Part3:-    • Chapter - 8, Lecture-3 | Laws of Moti...  
Part4:-    • Chapter - 8, Lecture-4 | Laws of Moti...  
Part5:-    • Chapter - 8, Lecture-5 | Laws of Moti...  
Part6:-    • Chapter - 8, Lecture-6 | Laws of Moti...  
Part7:-    • Chapter - 8, Lecture-7 | Laws of Moti...  
Part8:-    • Chapter - 8, Lecture-8 | Laws of Moti...  
Part9:-    • Chapter - 8, Lecture-9 | Laws of Moti...  
Part10:-    • Chapter - 8, Lecture-10 | Laws of Mot...  
Part11:-    • Chapter - 8, Lecture-11 | Laws of Mot...  
Part12:-    • Chapter - 8, Lecture-12 | Laws of Mot...  
Part13:-    • Chapter - 8, Lecture-13 | Laws of Mot...  
Part14:-    • Chapter - 8, Lecture-14 | Laws of Mot...  
Part15:-    • Chapter - 8, Lecture-15 | Laws of Mot...  
Part16:-    • Chapter - 8, Lecture-16 | Laws of Mot...  

2) Chapter - 7 - Motion in 2D & 3D :-    • Chapter - 7, Lecture-1 | Motion in 2D...  

3) Chapter - 6 - Motion in Straight Line :-    • Chapter - 6, Lecture-1 | Motion in a ...  

4) Chapter - 5 - Vectors :-    • Chapter - 5, Lecture-1| Vectors | Int...  

5) Chapter - 4 - Basic Mathematics as a Tool :-    • Chapter-4, Basic Mathematics as a too...  

6) Chapter - 3 - Units and Measurement :-    • Chapter -3, Lecture-1 | Units and Mea...  

7) Chapter - 2 - Physical World :-    • Chapter -2, Lecture-1 | Physical Worl...  

8) Chapter 1 - Introduction to Physics :    • PHYSICS - CONTENTS OF CLASS 11 AND 12...  

Please see the videos of above lectures also if you want to complete the entire syllabus one by one. The content in these lectures is very exhaustive and no topic is remained untouched.

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