Kinematics of Rolling Without Slipping | JEE 2027 Physics (English)
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Kinematics of Rolling Without Slipping | JEE 2027 Physics (English)
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17 просмотров · 7 ч назад
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All lessons of this unit: • JEE 2027 Physics | Unit 5 Rotational Motion
Kinematics of rolling for JEE Main and Advanced: rolling as translation plus rotation, the condition v = ωR and a = αR for rolling without slipping, which way the contact point slides when v ≠ ωR, why the top moves at 2v and the bottom is at rest, the √2 v rim point, the instantaneous axis through the contact point, the acceleration of the contact point, and two solved problems with the classic traps.
Chapters
0:00 Introduction
0:30 Rolling = translation + rotation
1:45 When v is not equal to omega R, the body slips
2:15 Top, centre and bottom
3:33 Topper's trick: the instantaneous axis
4:36 Uniform rolling: accelerations
5:12 Example 1: speeds of the top point and a level rim point
6:25 Example 2: is it rolling, and which way does friction act
7:49 Quick revision: v = omega R, top 2v, bottom at rest
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Physics · Unit 5 · Rotational Motion · Chapter 5 · Rolling Motion
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Narrated with a computer voice.