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What is the acceleration of free fall?
 
All objects fall from the top with a  acceleration called acceleration due to gravity (g).
 
On Earth, all bodies experience a  of gravity which Earth’s mass exerts on them. The Earth’s gravity is measured by the  objects. 
 
At Earth’s surface, the acceleration of gravity is  and it is denoted by . This is  on earth and therefore the its value  on the mass of an object.