12.3 Virtual Displacement

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MIT 8.01 Classical Mechanics, Fall 2016
Instructor: Dr. Peter Dourmashkin

License: Creative Commons BY-NC-SA
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Loved this series of videos. It explains the real math behind pulley's that really allows you to visualise the forces at play and how the system works.

rebelartwork
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추가정보를 얻는 방법중이 하나 더 있는데, 가상 변위(?)를 설정하는 것, 즉 시스템이 움직이는 상황을 가정하는것. 그로부터 정보 추가습득 가능.

dddddd
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Where does virtual displacment come in all this?

Genie
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What is the unit of virtual displacement? Can someone answer?

tashfinakhtar
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Why is pulley B not attached to the ceiling? Do pulleys really work that way? It looks like it would fall off.

the_eternal_student
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I have one doubt.If change in y1=-2*change in y2 in a given time interval, then how can we conclude that the velocities and acceleration of 1 is twice that of 2.I can sense that however if you can derive it mathematically it would be great.

sahilkhan_cs
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Neat mathematical explainations
Love it 😀😀🙂🙂

saketkumar
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Still can't wrap my mind around it :/

MrNotSelc