Circular Motion | Circular Motion class 11 | Centrifugal force | Centrifugal force Class 11 | Centrifugal force Class 11 JEE | Centrifugal force Class 11 NEET | Pseudo Force | Pseudo Force Class 11 | Pseudo Force Class 11 JEE | Circular
Explore the concept of Circular Motion in Class 11 physics with a focus on Centrifugal force and Pseudo Force. Learn about the dynamics of objects moving in circular paths and the role of Centrifugal force in maintaining equilibrium. Dive into the world of rotational motion and understand the forces at play in circular motion scenarios.
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Circular Motion Class 11 | Circular Motion | Angular Displacement | Angular Velocity & Acceleration
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Explore the concept of Circular Motion in Class 11 physics with a focus on Centrifugal force and Pseudo Force. Learn about the dynamics of objects moving in circular paths and the role of Centrifugal force in maintaining equilibrium. Dive into the world of rotational motion and understand the forces at play in circular motion scenarios.
Center Of Mass JEE Mains PYQ's
https://youtube.com/live/KioITJNpUys?feature=share
WPE Questions NEET | WPE Question Practice | WPE NEET PYQ | Work Power Energy NEET PYQ #wpe #pyq
https://youtube.com/live/1MM981y6GGM?feature=share
Circular Motion Class 11 | Circular Motion | Angular Displacement | Angular Velocity & Acceleration
https://youtube.com/live/nrO7fqr-uoY?feature=share
#srbphysicskota #srbphysics #aksir #aksirphysics #circularmotion #circularmotionjee #circularmotionneet #pseudoforce #centrifugalforce #class11 #class11physics #physics #yt #youtube #youtbeindia #trending #viral
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LearningTranscript
00:00okay students hello
00:05I upon
00:10centrifugal force
00:15centrifugal force
00:20centrifugal force
00:25centrifugal force
00:30centrifugal force
00:35centrifugal force
00:40centrifugal force
00:45centrifugal force
01:20I have not gone anywhere, I am teaching right in front of you
01:24If I have said that there is a pseudo force, then you will be able to see the force
01:35Yes, understood?
01:38Centrifugal force and its other name is pseudo force
01:44So it seems that this is the main point
01:48I had told you about pseudo force in NLM
01:52When an observer observes an object sitting in a non-inertial frame
01:58In that condition, pseudo force is applied
02:02Hello!
02:04Any problem?
02:18Why do you keep coughing?
02:24Why?
02:26I have studied
02:28For the pain of a single tooth
02:34I have studied
02:40Only pseudo force is left to teach, rest all the forces have been taught
02:50Horizontal circular motion, vertical circular motion, uniform, non-uniform
02:56Yes, banking, all have been taught, only this child is left
03:00Study it well, you will understand
03:02You will be able to ask questions
03:04Yes, so let's move ahead
03:08See, I have just told you about centrifugal force, not pseudo force
03:16For this, we will sit in a non-inertial frame
03:21Where will we sit?
03:24What is a non-inertial frame?
03:27There are two types of frames, one is inertial and the other is non-inertial
03:32In inertial frame, we have rest frame and constant velocity frame
03:37These two frames are inertial
03:40If the body is at rest, then inertial frame
03:45Yes, when there is no exhalation, inertial frame is there
03:50And when there is exhalation, non-inertial frame is there
03:54Now, there is rotation motion, circular motion
03:57So, in circular motion, centripetal exhalation will be there always
04:02Whenever there will be circular motion, centripetal exhalation will be there
04:07If there is centripetal exhalation, then there is exhalation
04:10And if there is exhalation, then which frame will be there?
04:13Non-inertial frame
04:17Yes, when we sit on non-inertial frame and observe the object, then pseudo force is applied
04:28Some people apply pseudo force anywhere, the problem comes there
04:34Now, we are on earth, so we are in respect of earth
04:52By the way, earth also exhalates
04:55Now, we are sitting on earth
04:58Now, you are sitting here, then what will you say?
05:01You are running
05:02No, you will say, you go around once in a year
05:16Come here
05:21Come, let's go
05:24So, you run once in a year
05:27If you run once in a year, then centripetal exhalation will be there
05:32If there is circular motion around the sun, then centripetal exhalation will be there
05:36So, it doesn't mean that we are sitting on non-inertial frame of earth
05:43We don't take non-inertial frame, we are taking it in respect of it
05:47Let's come back to our concept
05:50Now, here you don't know about earth
05:53We have taken a disc, the disc is rotating
06:03Now, you are sitting on a football and observing a volleyball
06:11Now, any body, not circular, any body is rotating
06:17Yes, if you sit on it and observe, then pseudo force will be applied
06:22It doesn't mean that body is rotating
06:25Just pseudo force is applied, then we say answer is not coming
06:35No, you are in centripetal frame, you are on rest
06:43Yes, now you rotate it
06:47You are sitting, so put the motor below and rotate it
06:52Yes, so
06:55Circular, if there is circular motion, then when you observe in rotating frame, not non-inertial
07:03So, in that condition, pseudo force is applied
07:06What happened?
07:08We are showing for that
07:11Everybody will write
07:14Write, write, write
07:20Pen, Observer, we write here
07:23Observed
07:39Observer, observe
07:47An object
07:53Observer
07:59Observer
08:24Observer
08:32Observer
08:45Observer
08:53when observer observe an object from non-inertial frame
09:22then pseudo force acts on the object
09:44now what is its direction? what is its value?
09:58sir, from where are you taking the class?
10:08house number
10:28see, now see about pseudo force
10:32why do we take pseudo force away from the center?
10:36see, now we are sitting in non-inertial frame
10:40now in non-inertial frame means in circular motion
10:44centipetal acceleration is towards center
10:48hello, now in the frame in which we are sitting
10:54its acceleration is towards center
10:58so on the object which we observe, pseudo force will be applied opposite to this acceleration
11:04as I have taught in NLM, the object on which we are sitting in non-inertial frame
11:10its acceleration will be applied opposite to pseudo force
11:14so here centipetal acceleration is towards center
11:18so pseudo force is applied away from center
11:22hello, why?
11:28so pseudo force will be applied away from the center
11:34its value is m r perpendicular
11:38see, this body which we observe
11:42this is very important point, write it easily
11:46this body is rotating and this is its axis of rotation
11:50what is this axis of rotation?
11:54axis of rotation
11:58from axis of rotation, we will draw perpendicular on this body
12:02so we take perpendicular distance here
12:06f pseudo will be m r omega square
12:10this is not the value of centipetal force, its v square upon r or r omega square
12:14we take here
12:18we will take r omega square
12:22and here we take r perpendicular
12:26on this axis of rotation, perpendicular distance from this body
12:30if you have any problem, you can ask me
12:34here we are observing this
12:38here we are observing this
12:42here we are observing this
12:46now earth's axis of rotation will be
12:50on that axis of rotation, we will draw perpendicular
12:54now wherever sun is, we will see it there
12:58so here body is here
13:02body is kept here
13:06any problem?
13:10you can also
13:14now you will be given circular motion
13:18for that you can read it
13:22today it will be completed, by the way pseudo force is also completed
13:26this is all, we observe pseudo force from non inertial frame
13:30and here away from the center will be
13:34m r perpendicular omega square, this is its value
13:38this is called centrifugal force
13:42we call it pseudo force
13:46if we will ask you questions, your problems will be solved
13:50see, death well
13:54did you hear the name?
13:58so in death well we have made this diagram
14:02this is called rotor
14:06yes
14:10see, here we have taken death well
14:14what is rotor? there is a little difference between death well and rotor
14:18in death well, it is in the shape of well
14:22in rotor, the lower platform
14:26no, this is removed later
14:30we will make the diagram of rotor
14:34we have made the diagram
14:38see, we have taken this rotor
14:42now here I have made you stand
14:46no, you are going to do darshan
14:50so before that
14:54you do some tail
14:58pseudo force
15:02see, here
15:06no problem
15:10see, this rotor is rotating with omega
15:14this will be its rough surface
15:18there is rotation
15:22it rotates like this
15:26clockwise, anticlockwise
15:30see, here
15:34its mass is m
15:38we observe it sitting here
15:42we observe it sitting in non-inertial frame
15:46so this is non-inertial frame
15:50so we have to observe it sitting here
16:00see, we will observe it sitting here
16:04it will be seen on rest
16:08what?
16:12no, that is death well
16:16we have to stand here
16:20we are sitting on rotor
16:24rotor is in cylindrical shape
16:28this is a bottle
16:32close it
16:36to understand the difference
16:40this is a bottle
16:44so we are observing it sitting here
16:48this is the lower platform
16:52this will be removed later
16:56this is the lower platform
17:00so we can open it
17:04so this platform should be removed
17:08so that it does not fall
17:12so that it does not fall
17:16so that it does not fall
17:20so that it does not fall
17:24why do they swing?
17:26to have fun
17:28so people stand here also to have fun
17:32if cylinder is closed
17:36there will be a gap
17:40closed from top and bottom
17:44so people do not go for fun
17:48they go for fun
17:52those who like it, they go
17:56some people go to safari park
18:00jungle safari
18:04to see lion
18:08to see lion
18:12they go to see lion there
18:16lion can attack
18:20but it is a feeling
18:24people like to see lion
18:28they will stand in death well
18:32no one will be caught
18:36there is nothing to catch
18:40you have to stand free
18:44you have to stand free
18:48a little different feeling
18:50to get that feeling
18:52ok
18:54have you got the feeling?
18:56hello
18:58hello
19:02imagine
19:04now when you stand here
19:06now when you stand here
19:08the pseudo force on it
19:10in this direction
19:14because its centripetal acceleration
19:16axis of rotation will be towards center
19:18so pseudo force will be towards outside
19:20here normal reaction will be applied
19:22if its a rough surface
19:24friction will be applied
19:26towards top
19:32yes
19:38mg will be downward
19:40normal reaction will be perpendicular to surface
19:42pseudo force
19:44will be
19:46axis of rotation
19:48centripetal acceleration will be in this direction
19:58normal will be inside
20:00perpendicular to surface
20:04this will be f pseudo
20:10and here fs limiting
20:12and this will be seen on rest
20:18now if you have any problem
20:20you can ask
20:28see
20:30we don't apply centripetal
20:32it happens
20:34because of that pseudo force is applied
20:36sitting there
20:38this is the problem
20:40we apply mg
20:42normal
20:44pseudo
20:46centripetal acceleration
20:48when pseudo will be applied
20:50not centripetal
20:52we are sitting here
20:54it is seen on rest
20:56here we have shown force
20:58mg will be downward
21:00friction will be upward
21:02normal reaction will be here
21:04pseudo will be here
21:06is there any other force?
21:08no
21:12can you see?
21:14now from here we can see
21:16if it is seen on rest
21:18then what will be the acceleration?
21:20zero
21:26hello hi
21:30no both of them
21:32see
21:34value of m
21:36will be equal to f pseudo
21:38can you see?
21:40yes
21:42perpendicular to surface
21:44normal
21:46perpendicular to surface
21:48this is the surface
21:50this is like this
21:52perpendicular to surface
21:54body is here
21:56it will be applied here
21:58it is not applied upward
22:00value of m
22:02is mass
22:04m
22:06radius is r
22:10omega square
22:12this is first equation
22:14mg
22:16equal to fs limiting
22:22value of fs limiting
22:24will be mu s into n
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