Force and Laws of Motion (Chapter 9) of NCERT Class 9 Science Book is available here in PDF format. We have provided the latest edition of NCERT Class 9 Science Chapter 9 for the current academic ...

Centripetal and centrifugal forces are central to circular motion, but they're not the same. Discover the differences between ...

Why do things fall? It’s about force and motion. Find out more in this Science Trek short. A force is basically a push or a pull. Forces like gravity, inertia, and momentum affect everything. On this ...

Scientists often make measurements. The physical quantities they measure fall into two categories: scalars and vectors. Scalar and vector quantities are treated differently in calculations. Motion - ...

Why is pancake syrup an example of a resistive force? Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force ...

However hard you work on a topic, you cannot succeed until you practice the same. To help students get enough practice, NCERT books offer a variety of questions at the end of each chapter. These can ...