Class 9 Science | Work & Energy Examples 10.7 & 10.8 | Power Numericals Explained | NCERT
Автор: yc teaching
Загружено: 2026-01-15
Просмотров: 36
Описание:
In this video, we explain Class 9 Science Chapter 10 – Work and Energy
and solve NCERT Examples 10.7 and 10.8 step by step in simple Hinglish.
📌 Covered in this video:
✔ Example 10.7 – Power expended by two girls climbing a rope
✔ Example 10.8 – Power of a boy running up a staircase
✔ Power = Work ÷ Time concept
✔ Work = Force × Displacement
✔ Work = mgh (when moving upward)
✔ Step-by-step numerical solving method
✔ Board & exam-oriented presentation
🎯 This video is useful for:
Class 9 Science students
NCERT exam preparation
Understanding power numericals easily
Last-minute revision before exams
👉 Watch till the end for full clarity
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📚 Full Work & Energy Playlist:
• Class 9 Science Chapter 10 – Work and Ener...
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