Mechanical Engineering Academic Work (Academic Content Writing)

Articles for the below given topic needed with at least 6000 words each. The Articles submitted should have appropriate formulas and its expression written in MS word format with explanation about its application with appropriate examples.
The Articles should also contain the images needed for the topic to be understood. The images used should have references.
The plagiarism score should be below 15% or it should be unique at least 85%.
The topics are :-
Boundary Layer Theory
Shear Stress
Viscosity
Bernoulli's Equation