9Th Class Physics New Book Chapter 4 || Lecture 7, Examples & Numerical Problems

This is the new book of class 9 physics published by pctb or punjab curriculum and textbook board lahore for all punjab boards and chapter 4 is about turning effect of forces and this video includes topics like, like and unlike parallel forces, addition of forces, turning effect of a force, moment of force or torque and couple, resolution of forces and law of moments and centre of gravity and equilibrium and conditions of equilibrium. States of Equilibrium and Centripetal Force 0:00 Example 4.1 7:09 Example 4.2 9:24 Example 4.3 11:32 Example 4.4 19:02 Example 4.5 26:23 Example 4.6 28:30 Numerical 4.1 29:36 Numerical 4.2 30:56 Numerical 4.3 33:19 Numerical 4.4 35:34 Numerical 4.5 39:06 Numerical 4.6 39:58 Numerical 4.7 44:31 Numerical 4.8 47:31 Numerical 4.9 49:06 Numerical 4.10 #9thphysicsnew #9thpphysics