If the car is going at a constant speed, the passengers will also maintain the same constant speed. When it decelerates, passengers also decelerate with it. When a car accelerates, passengers will tend to accelerate with it. When you are tightly strapped to car, you will also be in the same motion state as the car. All other passengers inside the car are also decelerated to rest in case they are buckled up. When a car collides with a wall, an external and unbalanced force acts on the car, which leads to the car being abruptly decelerated to rest. For example, let us consider a case where a car accidentally collides with a stationary wall. As a matter of fact, a body's tendency to continue moving is a very common cause of various transportation injuries. This law is best exemplified when driving trucks or cars. This law is normally referred to as the law of inertia. In the absence of an external force, a body in motion will maintain the state of motion that it was in or will continue being in its state of rest. In other words, objects have a natural tendency to continue doing what they were doing until acted upon. Newton's first law of motion states that a body in motion will continue moving in the same speed as well as in the same direction, or if at rest, it will continue doing so until it is acted upon by an external force. In this article, we explain Newton's 3 laws of motion in a car crash. Newton's Laws of Motion are very important when engineers design airplanes, sports equipment, cars, trains and toys among other motion equipment. As a matter of fact, nearly 99% of all activities in our physical world are usually governed by these laws. From a flying bird to a racing car, these laws governing motion are ubiquitous. The three laws of motion as laid out by Sir Isaac Newton are manifested in nearly all activities that go on in everyday life - including car crashes.
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