al zero, and its acceleration (a= 0 m/s) is zero too and the outcome will be that the object will remain in motion at the speed it started out with. In other words, if one leaves a object in a place for a period time, when he returns to the place where he left the object the object will remain in the same place; unless the object was moved by a outside force. This also means when a pitcher throws the hardball it will continue moving in one direction until it reaches the catcher. However, everyone knows that the hardball will soon hit the ground even though it hasn't been in contact with anything. Friction causes the ball to stop traveling even though it didn't hit anything. There is fricti
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