සරල යන්ත්‍ර 02 - ප්‍රදාන කාර්යය හා ප්‍රතිදාන කාර්යය - 9 ශ්‍රේණිය (විද්‍යාව)

[@samudrawithanage609]

හොදට තේරුනා sir Thank you

[@nishanrupasinghe3640]

Thank you very much dear sir & may God bless you !🙏

[@wumashilayangika4511]

👌sir. Before this lesson I can't understand. But now I understood well. Thank u so much..sir 💜💜💜

[@KumaraKumara-v2s]

Meka hoda padamak sir.❤ Diki daki nam padamata galapenava.

[@senukasenan4740]

thank you for video

[@NimalDissanayaka-hl8fu]

supper 🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉

[@SSHP13]

Great work which ought to be appreciated. I enjoyed the lesson and thank you sir.

[@isuruchamuditha9135]

Good lesson...

[@LiyanaarachchiSumithkumara]

🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

[@SLNOOBKING]

Good work

[@jinarasandewni2376]

Thank you sir.

[@dilinineranji1523]

Thank you so much sir

[@amilakumara874]

Hodata theruna sir ganan tika hadanna . thank you so much sir.

[@familypoddo5422]

diki ragapanawa wadi

[@nilaniwimalasena9287]

නියමයි sir හොදට තේරුනා

[@sunethrakanthi2410]

Tnx sir

[@minagaatapattu]

THANK YOU SO MUCH .....

[@dilithkithnula8018]

thank

[@smartofksv2145]

Jaya wewa👍👍👍💕

[@dilinineranji1523]

Your the best teacher ever 🙂😉

[@r.mkeshara4733]

මම

[@r.mkeshara4733]

තෙරැනා

[@samanindika152]

thank u sir

[@thanu-e9g]

ගොඩාක් පින් සර්🙏🙏🙏

[@චූටි.තුෂාර]

Thank you so very much

[@nimeshahashini7990]

THANK YOU SIR

[@MaliniGanewatta]

Very nice......Good lesson

[@slcriketlovers5218]

Sir හොඳට තේරෙනවා

[@tharinduransara7442]

good teachera

[@pavithragayan6249]

👍👍👍👍👍👍👍👍👍👍👍👍

[@nadeekashamali8059]

Super sri 👍🙂 Padama hodata theruna😂

[@nadeekashamali8059]

Tanks sri 😊😊

[@sldts5829]

Super

[@chamindunimsara8063]

පළමු ගැටලුව
යන්ත්‍ර වාසිය 1යි
ප්‍රවේග අනුපාතය 1යි
කර්යක්ෂමතාව 100%
ප්‍රදාන කාර්ය 2500J
ප්‍රතිදාන කාර්ය 2500J
දෙවන ගැටලුව
යන්ත්‍ර වාසිය 3යි
ප්‍රවේග අනුපාතය 4යි
කර්යක්ෂමතාව 75%
ප්‍රදාන කාර්ය 1600J
ප්‍රතිදාන කාර්ය 1200J
කර්යක්ෂමතාව 75%

[@multicom4336]

Godake hodata kiyala thuna sir

[@pasirunawodaka1038]

melo deyak therune nathi padamak dan kaju kanawa wage lesi wela.. godak pin me sirla, NIE eka karana wada walata. Digatama karagena yanna. Oyalata waradinne naa🥰

[@asankanishadi1623]

Thanks sir 😊

[@u.kekanayake3713]

1. 1
2. 1
3. 100%
4. 500N × 5m = 2500J
5. 500N × 5m = 2500J

[@newanjawaliara1766]

👍

[@SSHP13]

Was searching for the answers to check if mine were correct.thnks btw

[@kamaleshwarik8567]

Super lesson. I learn more. Thanks sir for your good teaching.😊😊⭐⭐⭐⭐⭐. ......!!!

[@Hi-dr1uy]

Thank you..🙏🙏🙏

[@shehanaloka6148]

Great job sir 👌😊thanks for you

[@chamodyakarunaraththa6717]

Thak you sir,for this lesson 🙏 🙏 🙏

[@gihan4961]

Good

[@imagamer5389]

👍

[@pramudithesenavirathne7667]

17:10

[@s.k.granjani1291]

හොදට තේරුනා සර්.thankyou

[@u.kekanayake3713]

1. 1200N ÷ 400N = 3
2. 4m ÷ 1m = 4
3. 75%
4. 400N × 4m = 1600J
5. 1200N × 1m = 1200J
6. 75%

[@tictokpappa1665]

Hodata theru a a wunata ara kappi wala ganan hadana heti wenama aye video ekak hadanawada eka goda denekta gpdak watinawa

[@r.p.m.p.r2806]

👍👍👍

[@nimethmenuka8419]

Sir කාර්යක්ෂමතාව kale nane

[@imagamer5389]

➖

[@asinduwalpola-r1f]

ow ewunata hodayi

[@gayathnianujana3441]

Thank you sir.good lesson

[@isuruchamuditha9135]

👏🙏🙏🙏🙏✌️🤝🤝👐

[@Shri_73]

Kiyala denawa hodai eth ogllo ganan hadana hati kiyala dipan

[@isurinavodya1415]

😢😢😢

[@susilaranasinha9607]

1) 3
2)4
3)75%
4)1600J
5)1200J
6)75%

[@tdtechguide9449]

lk

[@malaniperera3244]

Well done sir ♥️♥️♥️

[@lasanthagunawardhana4567]

නියමයි සර්

[@N.K.A.Chandrasiri]

✨ 🌟

[@dissanayakajayarathna7609]

ඩිකි ,ඩකි අපේ වයසද sir

[@nisansalakumari4300]

Na obage ammage wayase gona 😂😪😪😪

[@pavithragayan6249]

E ganan haqana viqiha the runnu

[@thulithananayakkara9560]

1 - 1
2 - 1
3 - 100%
4 - 500 * 5 =2500
5 - 500 * 5 =2500

[@Rusiruprabash-yl1vt]

Supariyata theruna

[@futureworld424]

Thank you sir...

[@sanathkumar9027]

Thank you sir

[@poornimaambagaspitiya4381]

Thank you sir.........

[@danushamaethsara6672]

👍

[@nadeeshasilva7583]

Thank you sir 🙏

[@matheeshakularathna3820]

Thank you sir..

[@sofiya4613]

thanks sir❤️💗