1. What are the units of : pressure, force , area

Pressure- Pascal()

Force- Newton

Area-(Square metre)

Explanation:

Pressure is force continuous force applied to an object. The applied force is always perpendicular to the surface of the object.Force is a push or pulls on an object by an external body where it changes its state from rest to motion.Force is said to have both magnitude and direction.Area is the portion that shows the scale of a 2D form or configuration in the level. The covering area is its analog on the 2D surface of a 3D object.

You need to be more specific.  i really don't know what a "motion map" is.you can draw a graph of an object's position, distance, displacement, speed,velocity, or acceleration versus time, or you can draw a graph of the object's x-position versus its y-position and not give any information about time at all.if the graph presents position or displacement against time,  then constant velocity is a straight line . . i.e. a line that has  constant slope.if the graph shows speed against time, then constant velocityis a horizontal piece of line.if the graph shows acceleration against time, then constant  velocity is a piece of line that lies on the x-axis . . it's value is zero.