Inertia is the resistance of a physical object to change in its velocity.
Inertia may also refer to:
Science and engineering Climate inertia, a slowness of the Earth system to changes in significant factors such as greenhouse gas levels Ecological inertia, the ability of a living system to resist external fluctuations Thermal inertia, the resistance of an object or body to temperature change in response to heat input Sleep inertia, a physiological state Sylvester's law of inertia, a theorem in matrix algebra Inertial response, a property of electrical power grids
Mechanical engineering Moment of inertia, the resistance to angular acceleration Inertial mass, the amount of matter defined by its resistance to acceleration Second moment of area, a geometrical property of a body that determines its resistance to bending
Social science Cognitive inertia, resistance to change in an individual's beliefs Psychological inertia, a tendency to favor omission over commission due to a lack of incentive to act Psychical inertia, a term introduced by Carl Jung Social inertia, description of a person's resistance to change in psychology and sociology Corporate inertia or unwillingness to change, a diseconomy of scale in microeconomics Industrial inertia, a situation where an industry stays at a location even after the conditions that drew it there no longer exist.
Arts and entertainment Inertia (film), a 2001 Canadian drama Inertia (Marvel Comics), a fictional hero Inertia (DC Comics), a fictional antagonist "Inertia" (short story), a story by Nancy Kress
Music Inertia, an Irish DJ duo, the pairing of John O'Callaghan and Neal Scarborough Inertia (The Exies album), an album by The Exies Inertia (Derek Sherinian album), an album by Derek Sherinian Inertia (Pendulum album), an album by Pendulum Interia, an album by Grandson "Inertia" (song), by AJR from the album The Maybe Man "Inertia", a song by Alchemist from the album Spiritech "Inertia", a song by Blur from the album Leisure "Inertia", a song by Bruce Dickinson from the album Skunkworks "Inertia", a song by In Hearts Wake from the album Divination "Inertia", a song by Insomnium from the album One for Sorrow "Inertia", a song by The Wonder Stuff from the album Never Loved Elvis "Inertia", a song by 20syl