Rotation Motion | Pure Rolling Concept, IIT-JEE/NEET #neet #jeemains #rotation #rolling #neet #jee
In this live Lecture I'll discuss Pure Rolling in Rotation motion for JEE Mains and NEET.
Rotation or rotational motion is the circular movement of an object around a central line, known as axis of rotation. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersecting anywhere inside or outside the figure at a center of rotation.
घूर्णन या घूर्ण गति एक केन्द्रीय रेखा के परितः किसी वस्तु की वृत्तीय गति है। एक समतल आकृति एक लम्बवत् अक्ष के परितः दक्षिणावर्त या वामावर्त दिशा में घूम सकती है, जो घूर्णन के केन्द्र पर आकृति के अन्दर या बाहर कहीं भी प्रतिच्छेद करती है।
Pure rolling is motion of the round object without any slipping or skidding at the point of contact between two bodies. The rolling motion is a combination of translational motion and rotational motion. In pure rolling, the point of contact with the surface has zero velocity.
In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar to the rolling of dough.
धातुकर्म में, ढ़लाई या रोलिंग धातुओं के रूपान्तरण की वह विधि है जिसमें धातु को दो बेलनाकार रोलरों के बीच से होकर गुजारा जाता है और दोनों रोलर धातु को दबाते हैं।
#srbphysicskota #aksir #aksirphysics #science #physics #yt #rotational_motion #rotation #class11 #jeemain #iitjee #rollingjee #rollingclass11th #purerollingclass11th
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In this live Lecture I'll discuss Pure Rolling in Rotation motion for JEE Mains and NEET.
Rotation or rotational motion is the circular movement of an object around a central line, known as axis of rotation. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersecting anywhere inside or outside the figure at a center of rotation.
घूर्णन या घूर्ण गति एक केन्द्रीय रेखा के परितः किसी वस्तु की वृत्तीय गति है। एक समतल आकृति एक लम्बवत् अक्ष के परितः दक्षिणावर्त या वामावर्त दिशा में घूम सकती है, जो घूर्णन के केन्द्र पर आकृति के अन्दर या बाहर कहीं भी प्रतिच्छेद करती है।
Pure rolling is motion of the round object without any slipping or skidding at the point of contact between two bodies. The rolling motion is a combination of translational motion and rotational motion. In pure rolling, the point of contact with the surface has zero velocity.
In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar to the rolling of dough.
धातुकर्म में, ढ़लाई या रोलिंग धातुओं के रूपान्तरण की वह विधि है जिसमें धातु को दो बेलनाकार रोलरों के बीच से होकर गुजारा जाता है और दोनों रोलर धातु को दबाते हैं।
#srbphysicskota #aksir #aksirphysics #science #physics #yt #rotational_motion #rotation #class11 #jeemain #iitjee #rollingjee #rollingclass11th #purerollingclass11th
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LearningTranscript
00:00So, this is rolling.
00:04This body is rolling here.
00:07See, we have kept this tape on hand.
00:11So, what is this body?
00:12It is rolling.
00:13So, we are taking translation motion of the body.
00:17This is translation motion.
00:19And this is rotation motion.
00:22In this way, this is pure rotation.
00:24When we rotate a fixed axis body, it is pure rotation.
00:30Now, in pure rotation, the velocity at the bottom is backward.
00:35See, the velocity of this point will be backward.
00:39And in pure translation, it is forward.
00:42Now, both are equal and opposite.
00:44So, the velocity at the bottom point will be cancelled.
00:48So, what will be the value of Vp?
00:50Zero.
00:51The velocity at the P point will be zero.