Today we are going to talk about Newton's First Law of Motion. This law states that an object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity unless acted upon by an external force. In simpler terms, this means that objects tend to keep doing what they are already doing unless something else interferes. One practical example of this law is seen in a moving car coming to a sudden stop. If the car stops abruptly, the passengers inside are thrown forward. This is because, according to Newton's First Law, their bodies want to continue moving forward at the same speed as the car was moving before it stopped. The sudden deceleration of the car acts as an external force, causing the passengers to move forward relative to the car. Understanding Newton's First Law helps us to comprehend the concept of inertia, which is the tendency of objects to resist changes in their motion. This law forms the foundation for the study of motion in physics and plays a critical role in explaining various phenomena in our daily lives.