Work & Energy One Shot with Derivation Physics | Class 9th Science NCERT with Ashu Sir

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😊😊😊😊😊😊

[@radhakishangaur1901]

You are our second Einstein

[@imamuddinpanwar4214]

Sir please sound ke liye bhi ek one shot Bana ke dal do na please

[@arpitasingh5035]

Vote for sound chapter ...

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Hann

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Yup 🎉

[@ATK0pp]

Ha

[@PriyanshuBisht-yf4on]

21:28 no

[@ShweatShiv-o7k]

Abhi nahi

[@Kiki-eq3pk]

9:27 Work is a scalar quantity as the work done is same irrespective of the direction and only need the value or magnitude of F and s. Example 1st case) when the force is applied to the right direction on an object (the s is also in the right direction then) Suppose, F = 2N s = 3m Work done= Fs = 2 × 3 => 6N 2nd case) when the force is applied to the left direction on an object (the s is also in the left direction then) Suppose, F = 2N s = 3m Work done= Fs = 2 × 3 => 6N Thus we can say Work is a scalar quantity bcoz the work done is same irrespective of the directions.

[@nishantkishnawa]

1:08:56 Riding a Bicycle = muscular energy - kinetic energy. Bow and arrow = muscular energy-elastic energy-kinetic energy

[@sumanshsingh-c4q]

9:9 scaler quantity 41:15 it can not be zero 1:08:54 riding a cycle is muscular to mechanical bow and arrow is muscular to potential to kinetic energy

[@SushilaJain-m6h]

No need of Allen, Aakash when there are such teachers on youtube❤

[@annujha5873]

say the same in class 11

[@FACTFIREGOD-le1vw]

sahi baat hai

[@Nivedita0509]

1:09:01 4-muscular energy to kinetic energy 5-muscular to potential to kinetic energy

[@nilamverma6248]

1:09:04 riding a bicycle Muscular energy to mechanical energy to kinetic energy Bow and arrow Muscular energy to potential energy to kinetic energy

[@anyxzz007]

1:01:09 POTENTIAL ENERGY 1:11:01 muscular energy

[@sushmapal5213]

Sir apki videos dekh kar lagta hai ki koi apna sach me sath me padha Raha hai pata hi nahi chalta ki time kab nikal gya ....so helpful sir ... thank you so much 🌻....and we want more questions from this chapter sir please... Thank you ✨

[@shubhamgehlawat7618]

1:01:09 same in both 👍

[@nilamverma6248]

1:01:07 in both the cases potential energy is same because it is independent of path

[@Edit009]

Sir aap best teacher ho physics ke salute 🫡🫡❤❤

[@Futureplayer456]

9:11 scalar quantity

[@kdsexperiments_]

9:27 scalar quantity 1:08:56 Muscular energy to kinetic energy Muscular to elastic and then kinetic

[@anyxzz007]

9:29 work is scaler quantity 41:16 No kinetic energy can not be negetive

[@DSChaudheri8795]

Work is scaler

[@spartangaming9824]

​@@DSChaudheri8795 SCALAR*

[@gunjankhare5613]

Thankyou Sir 💖.. this was very helpful and detailed , now feeling confident of this chapter.. thankyou .. Sir next lecture of numericals please.. 🙏🏼

[@jaat6208]

1:01:18 sir dono bara bar hogi 😊

[@rooterking1401]

Sir class 11th lecture please please 😢😢

[@aliakhan7459]

41:24 -: Kinetic energy cannot be negative because mass can never be negative and if velocity is negative then there is square on velocity so negative velocity changes in positive. Therefore, kinetic energy can never be negative.

[@uniquedivyansh2771]

Tomorrow in my physics exam Thanks for this video ❤ I am waiting...... Only 2 hours remain..........

[@SanaMalik-jj8by]

School teacher's sa 100 times better experience😇 Thanks you sir for amazing lecturers.

[@Suhailahmed00200]

😊 providing free education is big deal and sir you are doing that

[@pragyasingh1795]

1:01:08 if the height is same and mass is also same so according to the formula [mgh] the potential energy will be same in both the cases 1 and 2

[@mamtakachhi3752]

Thank you sir ❤️ 1:36:18

[@doly7171]

Vote for question and answers

[@jawadchouhan8046]

Work done =vector quantity 0:03

[@parthvlog7176]

Bhai galat answer h

[@letsrock4895]

Thank you so much sir for these crisp and clear concepts.

[@sushilapareek9616]

41:19 can't be negative

[@Kartik_Pandit_001]

Aaj phli bar mujhe koi one shot itna achha lga hai or achhe se samaj me aaya hai. So, thank you so much sir 🙏🙏

[@Wake-up-to-reality.25]

Vote for Mechanical properties of solids

[@aviralmishra9896]

Waiting for fluids ❤

[@manjulabholankar8704]

Thanks for making this chapter easy and understanding...lots of love❤🎉

[@anantedits8038]

Sir please upload Mechanical properties of fluids as soon as possible🙏🏻🙏🏻.

[@rakhikumari-nj5vx]

Best teacher 💁🏻‍♀️

[@Xtream-Gaming]

THANK U SO MUCH SIR I AM SO AFRAID OF PHYSICS BUT BECAUSE OF U I AM ABLE TO STUDY IT AND LITERALLY I UNDERSTOOD THE CHAPTER VERY WELL

[@kumarkrishnalal5566]

good

[@kumarkrishnalal5566]

good

[@ShashankPandey-ip3lp]

Thank you sir

[@garimasingh9284]

I never found interest in physics!! But today I found it interesting after watching this video !!

[@radha_krishna_is_143]

It's best one shot....😊

[@indiantrickshorts5715]

sound ke liye vote

[@superclasses111]

Amazing sir

[@rinapandey4677]

41:22 no kinetic energy can never be negative because even if the velocity is negative the square of velocity will be positive

[@AtharvaYerawar]

41:21 kinetic energy can be positive

[@DevendraSingh-iv6sw]

Thanku so much sir

[@aquaboi78]

9:11 Work is a scalar quantity. 41:17 No, Kinetic Energy cannot be negative. 1:01:19 Potential Energy will be the same in both the cases. 1:08:59 (4) Riding a bicycle: Muscular Energy -> Mechanical Energy -> Kinetic Energy (5) Bow and arrow: Muscular Energy -> Potential Energy -> Kinetic Energy

[@__005]

9.28 work is scalar quantity

[@Yuvraj_Mahalle1]

1:54:54 time spam for those who want derivation of conservation of mechanical energy in free fall class 11th work and energy 1:54:54

[@A2A4FF]

9:23 sir displacement is a vector quantity and force too therefore product of two vector quantity is a scalar quantity ❤

[@Nikharkalra]

No It may be scaler Or vector

[@aasthashukla429]

Sir pls upload ch atoms and molecules...

[@xnoxgang90]

41:19 kinatic energy can be positive

[@adityapokhariyal9774]

1:01:11 SAME

[@sanjivkumarsouday320]

In both case the potential energy are equal

[@Daki2020]

35:26

[@Revolutionary720]

Sound dedo bhaiya🎉🎉🎉😂😂❤😅😂 1:36:18

[@promilasinhmar3565]

1:01:07 Both object having same potential energy

[@snehlatayadav9045]

9:11

[@Himanxu1016]

41:14 no it cant be zero

[@ashishparewa9960]

9:11 scalare

[@A2A4FF]

41:17 nhi hoga sir just bcz 1. Mass cant be negative and 2. If velocity is -ve then square of -ve = +ve ❤

[@TheSKWorld-pn7bt]

Very nice one shot Explanation in very easy language Thankyou Pls give one shot of sound

[@shubamgangtani8626]

1:01:22 dono mein potential energy same hogi because dono object ki height same he aur 2nd object ka distance zyada he lekin vo pe ke formula me he hi nahi

[@HimanshuShekhar3.14]

9:21 Work is a scaler quantity 41:20 No kinetic energy cannot be negative 1:01:10 potential energy is same in both the cases 1:08:55 Riding a bicycle: Muscular energy is converted into kinetic energy ; Bow and Arrow: Elastic energy is converted into kinetic energy

[@RashikaBajpai-p7y]

Sir ji mja aa gya padh kar Dil khush kar ditta❤❤❤❤❤❤❤❤🎉🎉😊😊😊😊😊

[@rinapandey4677]

Thank you sir the one shot was very nice.🙏🏻🙏🏻🙏🏻

[@A2A4FF]

1:01:06 in both the case potential energy will be same as masses of the objects are equal , g is constant in both cases and height is equal in both cases❤

[@adityamaurya6742]

Nice video sir you are best sir

[@aadarshchauhan4468]

9:11 work is a scaler quantity 41:12 kinetic enery cannot be negative 1:1:14 both have same potential energy

[@Vivek12890]

Force is a scaler quantity as we do not consider it's direction nor does it have any effect on it's value 9:32

[@Anyjennie143]

WTF😂

[@army.t]

41:14 ,, cannot be negative

[@Kiki-eq3pk]

41:16 No, KE can never be negative as even if the velocity is in negative then its square will be positive. Example : v = -2, m = 15kg =1/2 mv² = 1/2 (15) (-2)² =1/2 (15) (4) = 60/2 => 30 J _____________ 1:08:47 4) muscular energy to kinetic energy (KE) 5) muscular energy to KE

[@mahaveergour1809]

1:08:39 muscular energy to kinetic energy

[@AtharvaYerawar]

9:11 work is scalar quantity

[@ayushsharma2231]

9:30 I think scaler

[@radhakishangaur1901]

41:22 yes

[@akshitgupta8991]

41:15 No kinetic energy can not be negative.

[@NakulYadav-zh5zq]

41:28 =No

[@yash_ika_6677]

9:12 - work is scalar quantity. 41:18 - no , kinetic energy can never be Negative. 1:01:16 - same in both

[@A2A4FF]

1:35:02 thanks a lot sir not from the corner of the heart but from the whole heart 💜 a great thanks sir 😊 ❤

[@RanjanaPardeshi-g2r]

1:1:18 both will have same potential energy because dispalcement is same in both condition

[@joginderpanchal5966]

Work is a scaler quantity

[@opayush1112]

20:50 skip "Work done when force and displacment are not in the same direction" topic if you want

[@Vegan_classes_]

Sir aapka podcast bahut mast tha

[@Memerskamemes]

41:28 no kinetic energy can't be negative

[@Ritashuggu_6462]

1:09:00 1) muscular energy to mechanical energy 2) pottential energy to kinetic energy 😊

[@deeptisharma2393]

9:12 scalar quantity

[@akshitgupta8991]

1:1:09 Potential energy will remain same because law of conservation of energy stated that energy can never be created or destroyed but it can change it's form.

[@NavneetKaur-to8ys]

29:22 sahi pakde ho 😂

[@Itsyourdk.]

41:12 no

[@punamrani3621]

Thanks sir this 1shot helps us very much And very interesting thing for me is that I revised this chapter in a shorter period that save my time Once again THANKS SIR 🙏🙏

[@Pradhyun-i9o]

9:12 work is a scalar quantity as the product of two vectors i.e. force and s is a scalar quantity.

[@rajmishra-ue1ng]

Sir work is scaler quantity 9:27

[@rupalisharma-yq9tz]

1:28:37 sir reaction 😂

[@chhayahajela7180]

9:25 scalar

[@RanjanaPardeshi-g2r]

1:8:50 bow and arrow muscular energy then kinetic energy

[@rachitkumar3413]

41:16 no kinetic enery cant be negetive

[@DADAGAMING-jr2cg]

Thanks sir clear all doubts

[@art_byprincy]

1:01:07 in both cases the potential energy is equal because path cannot decide potential energy. Potential energy is based on height.

[@m_soham0718]

It was a very amazing oneshot ," School se accha aap sikhate hoo sir".

[@pandey99_]

1:28:27 sir ratan tata is no more😢

[@Daki2020]

41:11 no kinetic energy cannot be negative