Degrees of freedom (mechanics) pose, but at any point, you can move it only by a forward motion and a steering angle. So it has two control DOFs and three representational DOFs; i.e. it is non-holonomic. A fixed-wing aircraft, with 3–4 control DOFs (forward motion, roll, pitch, and to a limited extent, yaw) in a 3-D space, is also non-holonomic, as it cannot move directly up/down or left/right. A summary of formulas and methods for computing the degrees-of-freedom in mechanical systems has been given by Pennestri, Cavacece, and Vita. In electrical engineering "degrees of freedom" is often used to describe the number of directions
Less Than Kin Vickers, to get back to the United States, decides to impersonate him. He is taken to the family group upon his arrival in New York City and soon finds himself possessed of the encumbrances and debts left by the former youth, which include a wife and three children. He is left a fortune, but discloses his identity and flees to Canada. En route he marries the ward of his benefactor, who had helped him escape and had hid in his automobile. Eventually he is cleared of all guilt and has a happy ending. Less Than Kin Less Than Kin is