WORK AND ENERGY ONE SHOT LECTURE WITH ASHU SIR FOR CLASS 9TH | SCIENCE AND FUN 9TH 10TH
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Cos-theta concept please
Sir please
The real and the main formula of work done is W= Fscostheta bcz obj hamesha force jaha par lagaya ha wohi pr move nahi krta in that case same angle form between the applied force and displacement so cos theta is taken for ex agr body force jaha pr apply kiya ha wohi direction me move kra to wo ho jayaga W=fscos-theta
W=fscos0degree
W=fs
Then ye wala +ve work done hoga
Aesi he negative work done me minus symbol aayaga agr wos ke cos theta 180 ho jaya
I try my best i hope u understand a little ✊
Nhi melega
Yes sir pls
sir pleaae
Me watching this video in 2x 😂
Same
Tu bahut jyada smart 👍🏻
To??🙂
Comment bhi 2x pe Kiya tha kya😂
Sir aapki toh coffee ☕ bhot thandi hogyi hogi😂😂🤣😅
Yes ha
18:40 if opposite force is greater then applied force
My last night before exam ❤😂
Legend😂
1:25:05 i am suprise 😁😁😁😂😂😂😂🤓
Me bi😂
Fr!!
Next chapter please gravitation😓
Bhot hard chapter 😵😵
Yes please
That's easy
@@sandhyasikri1422 Tum tho topper ho
Nahe vo easy ha muja bhe phale hard lage tha but abh easy lagta ha
Bhot easy ha
Who watches this video 2x
Sir kafi aache se pdhate ho or aapka example ko btate character me aajan kafi funny😂😂😅
53:42 with chemistry maam 😅😅
Riding a bicycle
Muscular to mechanical
Electric bell
Electricity to sound energy
Stretching a spring
Muscular to potential energy
Ashu sir vaise mera name Gaurav Gupta
Thank u so much for this 1 shot lecture
Cos theta concept
26:16 sir push up maare to displacement to hua hi nahi so how it is work????
Bhai gym vale ho kya
hum log ke school me cos hua hai
1:23:03 to 1:23:12
Best part of the video
(For comedy) 🤣🤣😂
18:36 / 1:26:01 sir when there is an opposite force acting on the body with higher force
53:13 sir please diksha ma'am
Sir please community section mai class 10th and 9th ka alag alag schedule daal dijiye it will help alot 😅
Yes sir please 🙏🏻🙏🏻
Yes sir 🙏🙏🙏plz
Yes sir
इसकी मां मैंने चोदी है
Sir ke ma bhi Mane चोदी है ये मैरी औलाद है
I am watching first time video for you and it is very helpful video of work and energy my concept is completing properly ❤❤❤
Sir equations of motion karwa dijiye , sir please 😢🙏🙏🙏🙏🙏
Cos theta concept
18:45
When we pull a rubber band it comes back to us.... It is a negative work....😊😊
1:40 Legends focusing on pen spinning of sir...
Sir teach me about pen spinning 😁
27:16 can we also write maximum potential to do work by a body is knows as energy ?
58:06 muscular = potential energy
Big fan sir 🥰🥰
1:05:01
Muscular to kinetic
Electric to sound
Electric
Muscular to kinetic
Muscular to potential
Kash aap hmare school me science teacher hote 🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺😭🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺😭🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🙌🙌🙌🙌🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺🥺
😊😊
You are right sidter
11:28 han sar hamare school mein bhi kab aaye
Sir please next ch should be gravitation
Who watching this video 2X😂😂
Me
Mr😊
Ur father
First of all learn garamer naive
Sir costheta wala concept karwaiye please
Yes 58:23
I am in 11 th and now i am realising that most of the syllabus of 11 is based on 9 th so i am suggesting to 9 th class students that do class 9 th carefully
Ok 😐 boss
Bro only in physics or chemistry , maths also ?
@@EleshKanaujiya all of science and maths...it is important
100%true abhi 11 me Ake malum pada 😢
Mene toh 8th bhi sahi se padi thi
18:24 yes sir possible hai like if we lift a body to a certain height then displacement is in upward direction and gravitational force is in downward direction
18:28
Force applied on a string ?
Realeasing arrow from bow ?
Throwing an object upwards
BAS OR MAT PADHO NHI TO SAB TOP MAR GYA GA🤐
🙄
@@becomegaming9046 lol
@@becomegaming9046konse school se ho ?
Yes you are right
sir when earth move we move with it is it kinetic energy ??
18:20
Example - In a archery when we pull the arrow behind(means force applied at backward direction)but it moves front(means displacement at different direction)
Because then it applies force in forward direction after getting loaded
Actually a good example
Good example
Gun also bhi
18:15 Sir, When we pulling a rope into from the well then we apply pull to the rope but the bucket is pushing in opposite direction ⬇️⬆️... 😊
Ryt
Mahesh bhaiya op in the chat
action-reaction force
28:59
ONE MORE 😁
STING ENERGY ⚡
Sir , UT 1 ma Gravitation aa raha ha ..
Sir us per bhi video banao !!
39:29 baccha nahi kahna uncle shiva, shiva naam hai mera😂
18:34 when we put the knife on an apple vertically and we hit the holding part of the knife vertically using our palms then the applewillmove in the opposite direction of force.
11:40 Yes sir mere school me karwaya please bata dijiyega
Thank you sir for your great expaination ❤️❤️❤️
explanation
hamre school me karaya h cos thita wala 20:00
26:04 park ke 4 chhkr laga diye toh jaha se suru kiya vahi aagye hoge aap toh work hua hi nahi na sir😂
23:48 bcz the value of cos90 is 0
11:34 yes sir kar vaya hai
1:04:32
Muscular to kinetic
Electric to sound
Muscular to potential
Muscular to kinetic
Electric to kinetic
i said something which i never thought i would say. i said physics is easy.. he is much better at one shots then magnet brains 7h long videos.
18:28
Yes sir this is possible
When we apply force on a spring its displacement is on opposite direction.😊
correct
18:28 a body moving upwards against gravity
58:05 when we stretch the rubber band it has maximum potential energy and 0 or minimum kinetic energy when we discharge it has maximum kinetic energy
18:31 The example of negative work done is when We apply 10N of force on an object but from the opposite direction their is another force applied of 15N thus the Net force is 15 - 10 = 5N In the opposite direction for me where I want to move the object.
If we put a potato (Aalu) and then put knife (Chakuu) in it, then we applies force downwards in knife, then we find that the potato is displaced from bottom and moves to top.
Sir is this example is correct for negative force then please pin my answer
Those who are with me please like my comment to show your support :-
👇
1:05:42
Muscular energy to Kinetic energy
Electric energy to Sound energy
Electric energy to Mechanical energy
Muscular energy to Potential energy
Muscular energy to Potential energy
Aise Teacher school me kyu nhi hote 😢
Bhai sahi bol rahe ho bro
Bhai mere sir aise hi padhate hai .
Kiyoki school teacher ko itna time nhi milta pahdane ka isliya vo 1 chapter ko 2 3 din chalate rhte hai jis vjha se kuchh samjh nhi ata
1:22:22 the best part🤣🤣🙂🤙🏻
If we put a potato (Aalu) and then put knife (Chakuu) in it, then we applies force downwards in knife, then we find that the potato is displaced from bottom and moves to top.
Sir is this example is correct for negative force then please pin my answer
Those who are with me please like my comment to show your support :-
👇
Thank u sr u taught me like my previous science teacher❤
Sir, it was an amazing explanation of this chapter!
Literally my exam is tomorrow and you have explained this in our simple language thanks a lot❤
1:05:44
1. Muscular energy to kinetic.
2. Electric energy to sound.
3. Electric energy to mechanical.
4. Muscular energy to kinetic.
5. Muscular energy to potential.
If we put a potato (Aalu) and then put knife (Chakuu) in it, then we applies force downwards in knife, then we find that the potato is displaced from bottom and moves to top.
Sir is this example is correct for negative force then please pin my answer
Those who are with me please like my comment to show your support :-
👇
Very useful 👍 thank u sir 😊
1:05:41
1. Muscular energy -----> Rotational energy (mechanical)
2. Electric energy -----> Sound energy
3. Electric energy -----> rotational energy (mechanical)
4. Jumping a rope ________
5. Muscular energy -----> Potential energy
Sir I'm from 11th ....due to pandemic i could not study 9th and now in present I'm preparing for jee...believe me if ur basics are not clear of 9th u can't understand the numerical & concept ....i have came back to know what is the basic of work energy and power......and sirrr u are fabulous thank uh sir 🙌🙌
Yes it is very hard to understand it😢
If we put a potato (Aalu) and then put knife (Chakuu) in it, then we applies force downwards in knife, then we find that the potato is displaced from bottom and moves to top.
Sir is this example is correct for negative force then please pin my answer
Those who are with me please like my comment to show your support :-
👇
18:56
Yes, it is possible that when we apply force in one direction then displacement occurs in opposite direction.
Example- we are pulling a bucket from the well.
We applied force at downwards but bucket goes upwards means displacement occurs at opposite direction.
In this case work done by gravity is negative and by us is positive
18:53 lifting an object ; force is due to g in downward direction while object is displaced away from the ground.
Sir the way you teach is incredible ❤
1:04:47 muscular to mechanical
1:05:00 electric to sound
1:05:07 electric to mechanical
1:05:21 muscular to potential
1:05:32 mechanical to potential
Thanks for best explanation sir
Bhai padh le fail nhi hona
Ha bhai
If we put a potato (Aalu) and then put knife (Chakuu) in it, then we applies force downwards in knife, then we find that the potato is displaced from bottom and moves to top.
Sir is this example is correct for negative force then please pin my answer
Those who are with me please like my comment to show your support :-
👇
Sir thank you for this chapter ☺️
I think u forgot to type "explanation" cause it is a correct sentence okay and mind it and then type correct and full sentences
18:30 Yes, it can possible that force and displacement in other direction, if opposite force or friction force is greater than force which applied on object.
Yes
Sir, Thank you so much for the video ❤️ my exam is on day after tomorrow and all the topics are cleared.
If we put a potato (Aalu) and then put knife (Chakuu) in it, then we applies force downwards in knife, then we find that the potato is displaced from bottom and moves to top.
Sir is this example is correct for negative force then please pin my answer
Those who are with me please like my comment to show your support :-
👇
Yes, sir the second case of COS THITA is being used in our school. And sir they are even using SIN Thita.
And, sir according to class 9 the vector quantity can be positive, negative and zero, but scalar can't be, so what makes work scalar?(*So, is there any property rather than the rule of dot multiplication between two scaler*)
You had point bro
Vector quantity means it has magnitude +direction .It can +,-or 0.
Scalar quantity only has magnitude .It can also be +,-or 0.
It is not at all important that a scalar quantity always as to be +
Study, study, study...
I don't like it, I Avoid.
But when "ASHU SIR " Teach, I can't Avoid...😎😎
😅
1:05:42
Muscular energy _____kinectic energy
Electric energy ________sound energy
Electric energy ________machincal energy
Muscular energy ________kinectic energy
*All types of energy* (almost all)
Here is an extensive list of energy types around the world, covering as many categories and subcategories as possible:
### **Renewable Energy Sources:**
1. Solar Energy
2. Wind Energy
3. Hydroelectric Energy
4. Geothermal Energy
5. Biomass Energy
6. Tidal Energy
7. Wave Energy
8. Ocean Thermal Energy Conversion (OTEC)
9. Hydrogen Energy (from renewable resources)
### **Non-renewable Energy Sources:**
10. Coal
11. Oil
12. Natural Gas
13. Nuclear Energy (Fission)
### **Potential Future Energy Sources:**
14. Nuclear Fusion
15. Space-based Solar Energy
### **Mechanical Energy:**
16. Kinetic Energy
17. Potential Energy
18. Gravitational Energy
19. Elastic Energy
### **Thermal Energy:**
20. Geothermal Energy
21. Solar Thermal Energy
22. Waste Heat Recovery
23. Heat from Chemical Reactions
### **Electrical Energy:**
24. Static Electricity
25. Current Electricity
### **Chemical Energy:**
26. Energy in Fossil Fuels
27. Biomass Chemical Energy
28. Batteries and Electrochemical Energy
### **Nuclear Energy:**
29. Fission Energy
30. Fusion Energy
### **Radiant Energy:**
31. Solar Radiation
32. Electromagnetic Energy (including visible light, infrared, ultraviolet, radio waves, X-rays, etc.)
### **Sound Energy:**
33. Acoustic Energy
### **Magnetic Energy:**
34. Energy in Magnetic Fields
### **Other Specialized Energy Forms:**
35. Piezoelectric Energy
36. Electrostatic Energy
37. Thermoelectric Energy
38. Chemical Bond Energy (in molecules)
39. Mechanical Vibrations
40. Bioenergy (from biological processes)
This list covers a broad spectrum of energy sources, mechanisms, and forms across both natural and technological realms.
Thank you sir .....really helpful lecture...🔥🧡
54:36 agar energy ko create nahi ka r skte toh fir energy iss universe me aayi kese ??
You are real Einstein
Very good shabaash 😂
😂😂😂 GOOD QUESTION
18:37
Yes it is possible
When we through a ball toward the wall we apply the force forward but when the ball hits the wall the displacement is backward❤
No other object should interpret in process brother as u have taken wall as an other object😊
Yes
This is third law of Newton
46:29 as u mentioned electric charges have potential to repel each other but sir magnets also have the power to repel each other so does it will be their potential engery or magnetic potential energy
I just love how he repeats one sentence or formula again and again cuz it seems very little while watching but it just gets imprinted on my mind......He doesn't only teaches science but implies it
Yes
18:56
Yes, it is possible that when we apply force in one direction then displacement occurs in opposite direction.
Example- we are pulling a bucket from the well.
We applied force at downwards but bucket goes upwards means displacement occurs at opposite direction.
That's wrong......how can we "pull* downwards?
Yes we are not applying force downward
18:31
Yes it is possible when we drawn water form well
1:00:08 yes sir we want to know freely falling body derivation
Yes
1:05:43 Riding a bicycle
Muscular to Kinetic
Electric Bell
Electris to Sound
Electric Fan
Electric to Wind
Jumping a rope
I had no idea😅
Stretching a string
Potential to kinetic
If these are correct please pin me❤
2/5 marks😂
Work = Mass × Gravity × Height
❤️
Yo
1:05:06 electric energy to rotation/ mechanical energy
Sir unbelievable explaination in just few minutes great sir full support
Hi all like karo comment ko 😂😂😂
Hiiiii😂
1:25:04sir bhavnao me beh gaye kuch jada hi😂
Sir love the way how to teach complex topics in the easiest and most effective way! ❤🥰
💯😂😂
1:05:00 Riding a bicycle = muscular energy to mechanical energy
Electric ball = electric energy to sound energy
Hi sir thank you sooooo much…….. you are a lifesaver……… to say was my exam and the same exact question came which you gave may god bless you sir …. 0: 13:10
58:45 muscular energy to potential energy
Cos thita wala case krwaya h.
18:31. I think Friction, when we through ball upward
53:36 sir Diksha ma'am ke sath.🙃
58:12. Stretching a rubber band 👉🏻 muscular energy----------potential energy.
1:03:34. Krwaya toh nhi h but aap krwaya dena smjhna chayege.
1:05:42. Riding a bicycle 👉🏻 chemical energy ----- muscular energy---- kinetic energy.
2. Electric bell 😳
Electric energy-----sound energy
3. Electric fan 😄
Electric energy-----mechanical energy
4.jumping a rope 😥😥
5.stretching a spring
👉🏻 muscular energy ----- potential energy.
Timing 1:05:38
Stretching a spring
Muscular energy to potential energy
18:33
Negative work occurs when we are applying force in one direction but displacement is opposite of that.
in case of Tug of War , if the opponent team is stronger, then even if we pull so hard, the displacement will be in opposite direction.
Cose theta☠️ .... 1000k comments complete but no video...😢