TNTET-2025 CLASS:8 UNIT:2 SCIENCE:FORCE& PRESSURE

The document provided is a portion of a Class 8 Science textbook published by the Tamil Nadu government for use in schools. Written in the Tamil language, the textbook focuses on topics in physics, particularly the concepts of force and pressure. Specifically, the excerpts discuss the nature of force, different types of pressure (such as liquid pressure and atmospheric pressure), and related principles like Pascal's Law. The textbook also includes learning objectives, definitions, activities, review questions, and a glossary to facilitate the study of these scientific principles.