Determination of the acceleration and instantaneous center of the accelerations by 1/ω2

This paper explores the straight movement and a method conditionally marked 1/ω2 in which acceleration vectors multiplied by the reciprocal value of the square of the angular velocity. That is, at the quick-return mechanism and piston mechanism with oscillating cylinder allow schematic and simplified construction plan acceleration compared to the classical procedure. In addition, this paper presents a new method of determining the instantaneous center of the accelerations in the intersection of the two circles described from the centers of the acceleration vectors multiplied by the reciprocal value of the square of the angular velocity. Also for the first time, this paper presents a method of determining the instantaneous center of the accelerations in the intersection of the two circles that passes through the initial point of the two vectors of acceleration and their intersection point, and the circle passing through the endpoints of these two vectors and their intersection point