Why do temperatures on the moons surface vary ncyb more than temperatures on earth
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When pushing the body it is necessary to break the frictional force generated by the floor. Once this frictional force is overcome, the body will begin to move. Ideally, if a constant velocity is maintained or close to this value, the acceleration that will be exerted will tend to be zero and therefore, by Newton's second law the value of the Force will also tend to minimum values.
Remember that this law tells us that
Therefore the best strategy is A. keep pushing the box forward at a steady speed