1) what do you mean by acceleration due to gravity? (2) what is the value of 'g' at surface of earth.
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When an object falls freely towards the surface of earth from a certain height, then its velocity changes. This change in velocity produces acceleration in the object which is known as acceleration due to gravity denoted by letter g. The value of acceleration due to gravity is g= 9.8 m/s2.
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1. when an object falls freely towards the surface of Earth from a certain height,then it's velocity changes. this change in velocity produces acceleration in the object which is known as acceleration due to gravity denoted by small g.
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