CBSE MCQs on Class 9 Science Chapter 9: Force and Laws of Motion are prepared by subject experts to help students know the important topics and fundamental concepts from the chapter which can be ...

In this article, you will get the CBSE Class 9 Science notes on chapter 9 ‘Force and Laws of Motion’ (Part-II). This part is a continuation of the Chapter notes Part-I of the same chapter. In the ...

Learn how angular velocity works in a circular swing! This simple explanation breaks down the physics so anyone can understand rotational motion, speed, and how swings move in a circle. #PhysicsBasics ...

At the Porsche test track, we learn the difference between speed and velocity. Unit 2 Segment B: Speed and Velocity We head to the Porsche test track to learn about the difference between speed and ...

It is not only moving objects whose speed can vary. The speed of the wind and the speed of sound also vary. A typical value for the speed of sound in air is about 330 m/s.

Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating, or still.

In 1887, one of the most important experiments in the history of physics took place. American scientists Michelson and Morley ...