Air resistance causes deceleration by blank and blank
Air resistance causes deceleration by drag and friction.
Air resistance causes deceleration by two main factors: drag force and frontal area.
1. Drag force: As an object moves through a fluid medium like air, it experiences a drag force that opposes its motion. This force increases as the object's speed increases. The drag force depends on the density of the medium, the object's shape, and its speed. The equation to calculate drag force is F = 0.5 * ρ * v² * Cd * A, where F is the drag force, ρ is the density of the air, v is the velocity of the object, Cd is the drag coefficient, and A is the frontal area of the object. The drag force acts in the opposite direction to the object's motion, causing it to slow down.
2. Frontal area: The frontal area of an object is the cross-sectional area it presents to the oncoming airflow. Objects with larger frontal areas experience more air resistance and therefore decelerate more rapidly. For example, a larger vehicle like a truck or bus will experience more air resistance than a smaller car with a smaller frontal area. Increasing the frontal area of an object increases the drag force acting on it, leading to greater deceleration.
To determine the air resistance and resulting deceleration, one would need to consider the speed and frontal area of the object, along with other factors like the density of the air and the object's shape and drag coefficient. Mathematical models and equations such as the one mentioned above can be used to calculate the drag force and estimate the deceleration caused by air resistance.