MEMS 0071 Introduction to Fluid Mechanics - Fall 2013
Week 7 Homework: due date Friday October 18th at 1 pm.
Exercise 1 (Fox 4.155) A rectangular block of mass M , with vertical faces, rolls on a horizontal
surface between two opposing jets as shown. At t

MEMS 0071 Intro to Fluid Mechanics - Fall 2013
Week 3 Homework: due date Friday September 20th.
Exercise 1 (Fox, 3.6) The tube shown is filled with mercury ( = 13.55 103 kg/m3 ). Calculate
the force, F, applied to the piston.
Exercise 2 (Fox, 3.25) An eng

MEMS 0071 Intro to Fluid Mechanics - Fall 2013
Week 4 Homework: due date Friday September 27th.
Exercise 1 (Fox, Example 3.5) The inclined surface shown, hinged along the edge A, is 5 m
wide. Determine the resultant force, FR (its magnitude and its line o

MEMS 0071 I ntroduction to Fluid Mechanics - Fall 2013
Week 10 Homework: due date Friday November 8th at 1 pm.
Exercise 2 (Fox 5.43) A wave flow of an incompressible fluid follows a sinusoidal pattern. Flow
is two-dimensional with the x axis normal to the

MEMS 0071 Intro to Fluid Mechanics - Spring 2013
Week 6 Homework: due date Friday October 11th 2 pm.
Exercise 1 (Fox 4.39) Water enters a two-dimensional, square channel of constant width, h =
75.5 mm, with uniform velocity, U . The channel makes a 90o be

MEMS 0071 Introduction to Fluid Mechanics - Fall 2013
Week 1 Homework: due date Friday September 6th, 1 pm.
Exercise 1 Use the law of perfect gases to estimate the number of air molecules contained into
a volume of (1 micron)3 at sea level in standard con

MEMS 0071 Introduction to Fluid Mechanics - Fall 2013
Week 2 Homework: due date Friday September 13th.
Exercise 1 (The viscometer) The viscosity of a fluid is to be measured by a viscometer constructed of two 40-cm-long concentric cylinders (Figure below)

MEMS 0071 Introduction to Fluid Mechanics - Fall 2013
Week 11 Homework: due date Friday November 15th at 1 pm.
Exercise 1 (Fox Example 7.1) The drag force F on a smooth sphere depends on the relative
speed between the flow and the sphere, V , the sphere d

MEMS 0071 Introduction to Fluid Mechanics - Fall 2013
Week 8 Homework: due date Friday October 25th at 1 pm.
Exercise 1 (Fox 6.39) Calculate the dynamic pressure ( 12 V 2 ) that corresponds to a speed of
100 km/h in standard air. Express your answer in mi

MEMS 0071 Introduction to Fluid Dynamics - Fall 2013
Week 9 Homework: due date Friday, November 1st, at 1 pm.
Exercise 1 (Fox, 5.1) Which of the following sets of vector fields represent possible twodimensional incompressible flows?
u = 2x2 + y 2 x2 y;

MEMS0071 Introduction to Fluid Mechanics (Spring 2016) HW #1
(Due by the class on Jan 22, 2016)
In all the problems below, all the fluids are at 20oC.
Problem 1.
In Fig. 1, what is the density of the oil?
Problem 2.
In Fig. 2, determine the pressure diffe