Introduction to Fluid
Mechanics and Key
Concepts
(2025-2026)
Question and Answers
Expert Verified
(With A+ Grades Guarantee)
,Dynamic Fluid Fluid in motion, analyzed with partial differential
equations.
Kinematic Fluid Study of fluid motion without forces.
Deformation Change in shape due to applied forces.
Normal Force Pressure exerted by fluids, analogous to solids.
Viscosity Resistance of a fluid to flow.
Shear Stress Force per unit area acting parallel to fluid
surface.
Liquid Fluid with a definite volume and surface.
Gas Fluid without a definite volume or surface.
Dimensional Analysis Technique to understand relationships between
physical quantities.
, Fundamental Quantities Basic measurable properties independent of
other quantities.
Derived Quantities Quantities derived from fundamental quantities.
Length Dimension Represented as [L], measuring distance.
Time Dimension Represented as [T], measuring duration.
Acceleration Dimension Expressed as [L/T^2], measuring change in
velocity.
Quantify To express or measure in numerical terms.
Pressure Force per unit area exerted by a fluid.
Free Surface Surface of a fluid at rest, exposed to atmosphere.
Dimension Consistency Requirement for adding quantities of the same
dimension.
Mechanics and Key
Concepts
(2025-2026)
Question and Answers
Expert Verified
(With A+ Grades Guarantee)
,Dynamic Fluid Fluid in motion, analyzed with partial differential
equations.
Kinematic Fluid Study of fluid motion without forces.
Deformation Change in shape due to applied forces.
Normal Force Pressure exerted by fluids, analogous to solids.
Viscosity Resistance of a fluid to flow.
Shear Stress Force per unit area acting parallel to fluid
surface.
Liquid Fluid with a definite volume and surface.
Gas Fluid without a definite volume or surface.
Dimensional Analysis Technique to understand relationships between
physical quantities.
, Fundamental Quantities Basic measurable properties independent of
other quantities.
Derived Quantities Quantities derived from fundamental quantities.
Length Dimension Represented as [L], measuring distance.
Time Dimension Represented as [T], measuring duration.
Acceleration Dimension Expressed as [L/T^2], measuring change in
velocity.
Quantify To express or measure in numerical terms.
Pressure Force per unit area exerted by a fluid.
Free Surface Surface of a fluid at rest, exposed to atmosphere.
Dimension Consistency Requirement for adding quantities of the same
dimension.
