Physics 111Lecture 7

Fluid MechanicsDr. Ali ÖVGÜN

EMU PhysicsDepartment

www.aovgun.com

Afluidisacollectionofmoleculesthatarerandomlyarrangedandheldtogetherbyweakcohesiveforcesandbyforcesexertedbythewallsofacontainer.Bothliquidsandgasesarefluids.

Pressure (P)

Pascal’s Principle

Example: 1

Fluids at Rest

Example: 2

Archimedes’ Principle

Buoyant Force (B)

Example3

Fluids in Motion

Bernoulli’s Equation

Example: 4

P1-P2=128PaDensityofthefluid :=1A1=10A2=6

Problem: 1

Problem: 2

Problem: 3

Problem: 4

Problem: 5

Problem: 6

Problem: 7