Question

which deals with water in rest or motionis called

Answer 1

to and fro motion in linear. motion.

Answer 2

Answer:

Fluid mechanics

Fluid mechanics, the branch of science that deals with the study of fluids (liquids and gases) in a state of rest or motion is an important subject of Civil, Mechanical and Chemical Engineering. Its various branches are fluid statics, fluid kinematics and fluid dynamics. A substances that flows is called as fluid.