MarcusK said:If air resistance increases with velocity, then if a ball is thrown upwards, does air resistance decrease as the upward velocity of the ball decreases or does it only increase and remains constant when the upward velocity of the ball decreases?
it's in the question: I think that "air resistance could decrease as the upward velocity of the ball decreases or it could increase and then remain constant even when the upward velocity of the ball decreases" Air resistance could decrease because it is strictly dependent on air resistance, i.e. air resistance opposes motion, therefore increasing when the object has a velocity or is accelerating. Or Air resistance could increase right after the ball leaves the hand of the person who threw the ball, and remain constant at that amount of opposing force even if the object begins to decelerate due to gravity.PeroK said:What do you think? And why?
Air resistance is a force that acts against the motion of an object as it moves through the air. It is caused by the collision of air molecules with the surface of the object, creating a drag force that opposes the object's motion.
Air resistance can slow down the motion of an object, and in some cases, it can even cause the object to change direction. This is because air resistance creates a force that acts in the opposite direction of the object's motion.
The amount of air resistance experienced by an object depends on its size, shape, and speed. Objects with larger surface areas, such as a parachute, experience more air resistance than objects with smaller surface areas, such as a bullet. Similarly, objects that are moving faster will experience more air resistance than objects that are moving slower.
Upward velocity and air resistance have an inverse relationship. As upward velocity increases, air resistance also increases. This is because an object moving faster through the air will experience more collisions with air molecules, resulting in a greater air resistance force.
Air resistance can be both beneficial and detrimental, depending on the situation. In sports like skydiving or skiing, air resistance can be used to slow down an object's descent or control its speed. On the other hand, in activities like cycling or running, air resistance can make it more difficult to move through the air and can slow down the athlete's performance.