What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars ?

Question

ATPL - Airline Transport Pilot license - Meteorology - What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars ?

QuizVDS · Accepted Answer

Surface friction

QuizVDS · Answer

Greater atmospheric pressure at the surface

QuizVDS · Answer

Greater density of the air at the surface

QuizVDS · Answer

Coriolis force

ATPL: What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars ?

Domanda 312, Meteorology - ATPL - Airline Transport Pilot license