The frictional force that is experienced by an object when it moves in a liquid or a gaseous substance is called fluid friction. When an object moves in a fluid; i.e. liquid or gas the friction acts is called fluid friction.
The frictional force that is experienced by an object when it moves in a liquid or a gaseous substance is called fluid friction. When an object moves in a fluid; i.e. liquid or gas the friction acts is called fluid friction.