Final answer:
Objects falling through the air experience a type of friction called air resistance.
Step-by-step explanation:
When objects fall through the air, they experience a type of friction known as air resistance. Air resistance is a force that opposes the motion of objects as they move through the air. It depends on various factors, such as the shape, size, and speed of the object.
For example, if you drop a feather and a stone from the same height, the feather falls slowly due to air resistance, while the stone falls faster as it is less affected by air resistance.
Understanding the concept of air resistance is crucial in analyzing the motion of objects in free fall or when considering projectiles.
Learn more about air resistance