Work, Energy, And Power Full Chapter Class 9 | Class 9 CBSE Physics | NCERT

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Physics
✔️ Chapter: Work, Energy, And Power
✔️ Topic Name: Work, Energy, And Power Full Chapter Class 9 | Class 9 CBSE Physics | NCERT
✔️ Topics Covered in This Video: Full Chapter Explanation from Class 9 Physics Chapter Work, Energy, And Power In have been discussed in this video
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00:00 Introduction - Work, Energy, And Power
12:39 Work, Energy, And Power
38:03 Positive and Negative Work - Work, Energy, And Power
56:47 Numericals - Work, Energy, And Power
1:15:56 Kinetic Energy - Work, Energy, And Power
1:54:24 Kinetic Energy - Numericals
2:05:54 Potential Energy
2:27:08 Numericals on Potential Energy
2:47:32 Power - Class 9 Physics
3:10:51 Power - Numericals
3:31:40 Commercial unit of Energy
3:51:39 Law Of Conservation Of Energy
4:20:23 NCERT Solutions (Part-1)
4:46:27 NCERT Solutions (Part-2)
5:11:11 NCERT Solutions (Part-3)
6:00:44 NCERT Solutions (Part-4)
6:15:12 NCERT Solutions (Part-5) .

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you did a mistake that
at 3:38:11
the term 2160000
this is power for 10 hours
And we have to find of 1 hour

but ma'am you teaches and explain brilliant
almost 7 hours lectures
awesome lecture salute

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[studypointk]

According to the student law of examination, the situation a day before the final exam is such that the fear of examination is directly proportional to the backlog and tension and indirectly proportional to the number of pages and time.


So there is its derivation is.
final examination=b*t/t²*no. of pages


b= backlogs
t=tension
t²=time




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[SunilSingh-xgtp]

1:07:00 why we aren't taking negative 9000N as force for work done?

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[akashgulia]

-5:44:11 mam how it can be a negative work you said that work is the displacement of an object in the same direction in which the force is applied. So, how we can say this a work.