Fluids, Stress, and Strain Equations - MCAT

Question 1

What is the equation for stress?

Answer 1

Stress = F/ A

Question 2

What is the equation for strain?

Answer 2

Strain = deltaL/ L

Question 3

What is the equation for Hooke’s law?

Answer 3

delta L = FL / EA

Question 4

What is the equation for density?

Answer 4

p(ro) = m/V

Question 5

What is the equation for specific gravity?

Answer 5

Sp. gr. = density/ densityH2O

Question 6

What is the equation for pressure of fluids?

Answer 6

P = Fperpendicular / A

Question 7

What is the equation for total hydrostatic pressure?

Answer 7

P = P0 + p(ro)gD = Patm + p(ro)gD (if P0 = Patm)

Question 8

What is the equation for gauge pressure?

Answer 8

Pgauge = P - Patm

Question 9

What is Archimede’s Principle?

Answer 9

Fbouyant = p(ro)fluidVsubg

Question 10

What is Pascal’s law?

Answer 10

F1/A1 = F2/A2

Question 11

What is the equation for volume flow rate?

Answer 11

f = AV

Question 12

What is the continuity equation for fluids?

Answer 12

A1V1 = A2V2

Question 13

What is Bernoulli’s equation?

Answer 13

P1 + p(ro)gy1 + 1/2 p(ro)V1^2 = P2 + p(ro)gy2 + 1/2p(ro)V2^2