When the cue-ball passes over any part of an object ball, whether touching it in the process or not, except when the cue-ball first strikes one object ball and then jumps over another ball; when the cue-ball jumps and strikes an object ball, but does not land on the far side of that ball; when, after striking an object ball lawfully, the cue-ball jumps over that ball after hitting a cushion or another ball.