Force must be applied to initiate the motion of an object on earth's atmosphere, outer space and the ocean.
According to Newton's second law of motion, the force applied to an object is directly proportional to the product of force and acceleration of the object. The object tends to move in the direction of the applied force.
The formula for this law is written as follows;
F = ma = mg
where;
Due to influence of acceleration due to gravity on objects, a force must be applied to initiate the motion of object located within the places where gravity is felt.
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