Notes of Chapter 05: Torque, Angular Momentum & Equilibrium of “Physics XI” for FSc Part 1 published by Sindh Textbook Board, Jamshoro. These notes are very helpful to prepare Physics paper of FSc Part 1 for Sindh Board. These can also be consider as refrence notes for Federal Board, Multan Board, Faisalabad Board, Sargodha Board, Gujranwala Board, DG Khan Board, Rawalpindi Board or any other board of Pakistan.

Torque, moment or moment of force (see the terminology below) is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist to an object …