Study Chapter Details

UP Board Class 9 Science Book – Gravitation

The “Gravitation” chapter from the UP Board Class 9 Science Book introduces students to one of nature’s most universal forces — gravity. Based on the latest NCERT syllabus, this chapter explains Newton’s Law of Universal Gravitation, which states that every object in the universe attracts every other object with a force that depends on their masses and the distance between them.



Students learn about the concepts of free fall, acceleration due to gravity (g), mass and weight, and how they differ. The chapter also discusses the mathematical formula for gravitational force, motion of objects under gravity, and weight of an object on the Moon.

Through clear explanations, solved examples, and real-life applications, learners understand how gravity affects everything — from the falling of an apple to the motion of planets. The chapter also includes numerical problems, diagrams, and activities to make learning interactive and easy to grasp.

The UP Board Class 9 Science Book – Gravitation helps students build a strong foundation in physics and enhances their problem-solving skills for exams and future studies.