Here's a breakdown:
* Drag is a type of friction that opposes the motion of an object through a fluid (like water or air).
* It's caused by the fluid particles interacting with the surface of the object.
* The faster the object moves, the greater the drag force.
* The shape and size of the object also affect drag. A streamlined shape will experience less drag than a bulky one.
There are two main types of drag:
* Viscous drag: Caused by the friction between the fluid and the object's surface. This is more prominent at low speeds.
* Pressure drag: Caused by the difference in pressure between the front and back of the object. This is more prominent at high speeds.
So, when an object moves through water, it encounters both viscous and pressure drag, working together to slow it down.