4.2 - Hydrostatics

Question 1

Hydrostatics

Answer 1

-study of fluids at rest, pressures / forces associated with standing fluids

Question 2

Pascal’s principle

Answer 2

-for incompressible fluids, a change in pressure will be transmitted undiminished to every portion of fluid and walls of container
P=F1/A1=F2/A2

Question 3

Archimedes’ principle, associated equation, and degree of sinkage

Answer 3

• wholly / partially immersed body will be buoyed up by a force equal to weight of fluid displaced
• body will sink only to point at which buoyant force is equal to weight

Fbuoy=RhoVG (equation for weight of a volume of a fluid)

Question 4

Surface tension

Answer 4

Results from cohesive forces

Question 5

Meniscus

Answer 5

Results when adhesive forces > cohesive forces

Question 6

Backwards / convex meniscus

Answer 6

Results when cohesive forces > adhesive

Question 7

Units of force

Answer 7

Kgm/s^2

Question 8

G

Answer 8

9.8 m/s^2