Gravity (2013 film) is a Canadian film.
The force of gravity on Earth is the resultant (vector sum) of two forces: (a) The gravitational attraction in accordance with Newton's universal law of gravitation, and (b) the centrifugal force, which results from the choice of an earthbound, rotating frame of reference
== History ===== Ancient world ===The nature and mechanism of gravity was explored by a wide range of ancient scholars

