Answer: According to Newton's law of acceleration the object's acceleration follows the direction of the net force,in the case of free fall motion the net force equals gravity,thus the object follows the direction of gravity which is "downward", meaning towards the center of the earth.since acceleration is a vector quantity the acceleration due to gravity g is more accurately equivalent to -9.8m/s².that's why the acceleration due to gravity is constant for a particular location on Earth.
Explanation:
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