Uniform motion occurs when an object covers equal distances in equal intervals of time, maintaining a constant speed.

Yes, the displacement from O to C through A is the difference between the final position C and the initial position O, which is 35 km.

Displacement includes the direction of motion and represents the straight-line distance between the initial and final positions, whereas distance only specifies the numerical value of the total path length traveled.

Displacement is the shortest distance measured from the initial position to the final position of an object, including direction.

Distance refers to the numerical value representing the total length traveled by an object, irrespective of direction.