When a car makes a sharp turn at a high speed, the driver tends to get thrown to another side due to inertia of direction.
The spark coming out of a grinding stone is tangential to the rotating stone due to directional inertia.
The mud from the wheels of a moving vehicle flies off tangentially.
It is advised to tie our luggage kept on the roof of a bus with a rope because luggage can be thrown sideways during a turn due to inertia of direction.
Water is flowing in a particular direction and if you place a rotating wheel particles of water fly of tangentially due to inertia of direction.