Class 9 Physics Chapter 4 Notes – Turning Effect of Forces PDF Download (Punjab Board 2025-26)
Searching for reliable Class 9 Physics Chapter No 4 notes Turning Effect of Forces in one place? These Physics Chapter 4 Notes Class 9 PDF download files are built around the updated, SLO-based Punjab Textbook Board syllabus for 2025-26 and are used by Matric Part-1 students across every Punjab board. Whether you need MCQs, short questions, long questions, or fully solved exercise numericals, this page gathers a complete, exam-ready set of Turning Effect of Forces notes for class 9 Punjab board that you can preview online or download instantly as a free PDF.
What’s Included in These Chapter 4 Notes
This Physics chapter 4 notes pdf download package is split into clearly labeled sections, so you can go straight to the exact material you need instead of digging through one long file.
| Content Type | What You Get |
| MCQs | Objective-type questions with an answer key, sourced from past board papers and updated for the new syllabus. |
| Short Questions | Board-pattern short questions covering every heading of the chapter, with concise model answers. |
| Long Questions | Detailed, exam-formatted long questions frequently repeated in Punjab board papers. |
| Exercise Questions | Complete solved textbook exercise (end-of-chapter) short questions. |
| Exercise Numericals | Step-by-step solved numerical problems taken from the official PTB textbook. |
| Complete Chapter Notes | A single combined PDF with MCQs, short questions, long questions, and numericals together. |
Chapter 4 — Complete Topics Index Covered in the Notes
These 9th Physics unit 4 solved exercises pdf notes are mapped topic-by-topic to the PTB textbook, so every heading examined in board papers is accounted for.
| Topic Area | Included Sub-Topics |
| Parallel Forces | Like Parallel Forces, Unlike Parallel Forces |
| Vector Addition | Head-to-Tail Rule of Vector Addition |
| Resolution of Forces | Perpendicular Components, Finding Magnitude & Direction from Components |
| Torque / Moment of Force | Definition, Formula, Clockwise & Anticlockwise Moments |
| Principle of Moments | Statement and Application in Balancing Problems |
| Equilibrium | First and Second Conditions of Equilibrium, States of Equilibrium (Stable, Unstable, Neutral) |
| Centre of Mass & Gravity | Definitions, Difference, and Everyday Examples |
Learning Objectives (SLOs) Covered in These Notes
Every section of this download package is aligned with the Student Learning Outcomes (SLOs) prescribed for Chapter 4, so students preparing from these notes are working toward the exact skills the board tests.
- Define like and unlike parallel forces.
- State the head-to-tail rule for vector addition of forces.
- Describe how a force is resolved into perpendicular components.
- Define torque/moment of force and apply the principle of moments.
- Define centre of mass and centre of gravity, and distinguish between them.
| 📌 What’s Inside the PDF — Quick Checklist ✔ Solved MCQs with answer key ✔ Board-pattern Short & Long Questions ✔ Complete Solved Exercise (Numericals + Theory) ✔ SLO-aligned learning objectives covered ✔ Available in English and Urdu medium [Infographic placement: designer to render this checklist as a visual icon graphic] |
Updated for the Latest 2025-26 SLO-Based Syllabus
All notes on this page reflect the new SLO-based syllabus (2025-26) issued by the Punjab Curriculum and Textbook Board (PCTB). If any portion of Chapter 4 has been trimmed or merged under the smart syllabus, this Class 9 Physics chapter 4 notes pdf download set is kept updated to match, so students never revise a deleted section.
English and Urdu Medium, With File Size & Page Details
Both English medium and Urdu medium versions of the Physics Class 9th chapter 4 short and long questions notes are available. Files are kept lightweight (typically only a few MB across roughly 20–25 pages) so they open quickly even on a slower mobile connection.
Notes Available for All Punjab Boards
These notes for class 9 Punjab boards follow the single, unified PCTB curriculum, meaning the same Chapter 4 Turning Effect of Forces PDF applies to every board listed below.
| Board | Coverage |
| BISE Lahore | Fully applicable — same PTB syllabus |
| BISE Rawalpindi | Fully applicable — same PTB syllabus |
| BISE Faisalabad | Fully applicable — same PTB syllabus |
| BISE Gujranwala | Fully applicable — same PTB syllabus |
| BISE Multan | Fully applicable — same PTB syllabus |
| BISE Sargodha | Fully applicable — same PTB syllabus |
| BISE Bahawalpur | Fully applicable — same PTB syllabus |
| BISE Dera Ghazi Khan | Fully applicable — same PTB syllabus |
| BISE Sahiwal | Fully applicable — same PTB syllabus |
| 📌 Covered Boards at a Glance ✔ Lahore · Rawalpindi · Faisalabad ✔ Gujranwala · Multan · Sargodha ✔ Bahawalpur · Dera Ghazi Khan · Sahiwal [Infographic placement: designer to render this checklist as a visual icon graphic] | |
Preview Online or Download Directly — Your Choice
Every file on this page can be previewed online in your browser before downloading, or saved straight to your device through a direct download button — no sign-up required. This lets you quickly check the content quality of the Turning Effect of Forces class 9 notes Physics package before committing to a full download.
Bonus: Free Online Test and Related Test Papers
Beyond the downloadable PDF, an optional online MCQ test is available for Chapter 4, along with related printable test papers, so students can self-check their preparation immediately after going through the notes.
Exam Tips for Chapter 4
Board examiners consistently draw numerical questions from torque and equilibrium problems in this chapter, so practising every solved numerical and memorising the correct SI units alongside the moment-of-force formula is the fastest way to secure full marks.
Related Chapter Notes
If you’re working through the full book, matching notes are also available for Chapter 1 (Physical Quantities and Measurement), Chapter 2 (Kinematics), Chapter 3 (Dynamics), Chapter 5 (Gravitation), and Chapter 6 (Work and Energy) — all built in the same format for quick, chapter-wise revision.
How to Download Class 9 Physics Chapter 4 Notes PDF
- Scroll to the notes section that matches what you need (MCQs, Short Questions, Long Questions, or Complete Notes).
- Click Preview to view the pages online, if you want to check the content first.
- Click the Download button to save the free PDF directly to your phone or computer.
- Open the file with any standard PDF reader — no special software required.
Frequently Asked Questions
Where can I download Class 9 Physics Chapter 4 notes in PDF?
You can download the complete Class 9 Physics Chapter No 4 notes Turning Effect of Forces PDF directly from this page — separate files are available for MCQs, short questions, long questions, and solved numericals, or as one combined complete-notes PDF.
Are these Turning Effect of Forces notes updated for the latest Punjab Board syllabus?
Yes, these notes for class 9 Punjab boards are fully updated for the 2025-26 SLO-based syllabus issued by the Punjab Curriculum and Textbook Board.
Do these notes include solved numericals and exercises?
Yes, the 9th Physics unit 4 solved exercises pdf includes complete step-by-step solved numerical problems along with the exercise short questions from the official textbook.
Are these notes valid for all Punjab boards, including Lahore, Multan, and Rawalpindi?
Yes. Since all Punjab boards — Lahore, Rawalpindi, Faisalabad, Gujranwala, Multan, Sargodha, Bahawalpur, Dera Ghazi Khan, and Sahiwal — follow the same PCTB curriculum, this single Chapter 4 notes PDF is valid for students of every board.
Is Urdu medium available for Chapter 4 notes?
Yes, both English medium and Urdu medium versions of the Physics Class 9th chapter 4 short and long questions notes are available for download.
Final Words
With MCQs, short questions, long questions, solved exercises, and numericals all in one place, this Class 9 Physics Chapter 4 notes pdf download page is built to save preparation time for every Punjab board student. Scroll up, pick the section you need, and download your free Turning Effect of Forces notes for class 9 Punjab board today.