A great video lecture conducted by experienced physics teacher on 9th class physics chapter 4 topic4.1 question 42 to 47. Get full understanding or ask any questions.
Question 4.2 to 4.7, ch 4, lec 9, Question 4.2 to 4.7 - 9th Class Physics
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Physics Chapter 4 Topics
- 4.1 Like and Unlike Forces
- 1 Torque and Moment of Forces
- 2 Principle of Moments
- 4.2 Addition of Forces
- 4.3 Resolution of forces
- 3 Center of Mass Gravity
- 4.4 Torque or Moment of a Force
- 4.5 Principle of Moments
- 4.6 Centre of Mass
- 6 Example 4.1 to 4.3
- 7 Example 4.4
- 4.7 Couple in Physics
- 4.8 Equilibrium in Physics
- 8 Question 4.1
- 9 Question 4.2 to 4.7
- 4.9 Stability and Position of Centre of Mass
- 10 Question 4.8 to 4.14
- Examples
- Exercise
- 11 Numerical 4.1 to 4.5
- 12 Numerical 4.6 to 4.8
- Numericals
- 13 Numerical 4.9 and 4.10
