ME 314
August 22, 2011
Chapter 1 HW Hints
Problem 1.1. The purpose of this problem is to see if you can identify some planar four-bar linkages in the real
world. It seems to me that taking a photo of a linkage is easier than sketching it, but either one i
ME 314
Chapter 6 & 10 HW
April 5, 2010
Chapter 6 & 10 HW Solution
Problem 6.1: The center-to-center distance is the sum of the two pitch circle radii. To mesh, the gears must have
the same diametral pitch. These two facts are enough to solve for the diame
ME 314
March 29, 2010
Chapter 6 & 10 HW Hints
NOTE: I am combining the Chapter 6 HW problems with the Chapter 10 HW problems. This combined assignment
is due on Monday, April 5.
Problem 6.1: The center-to-center distance is the sum of the two pitch circle
ME 314
Chapter 4 HW
October 2, 2009
Chapter 4 HW Solution
Problem 4.6: (Analytical Solution Only) The problem is shown below, where we wish to nd angular velocity
2 and acceleration 2 and the acceleration of midpoint C (length rBA = 20 in):
Since points A
ME 314
Chapter 3 HW
September 10, 2011
Chapter 3 HW II Hints (due Friday Monday, September 16 19)
Problem 3.15: Solve this problem both analytically and using ADAMS. Here are some suggestions.
(a) Analytical Method. This problem can be a little challengin
ME 314
Chapter 3 HW I
August 31, 2011
Chapter 3 HW I Hints (due Wednesday, September 7)
Problem 3.6: This is an interesting problem, although its not a mechanism. I placed an xy coordinate system at a
convenient point (origin doesnt really matter), then d
ME 314
Chapter 3 HW II
September 19, 2011
Chapter 3 HW II Solution
Problem 3.15: Some geometric analysis using the laws of sines and cosines shows that
rAO4 = 193.62 mm
(1)
Angle of AB with horizontal = 11.1677 ,
(2)
and both these values will be needed.
ME 314
Chapter 3 HW I
September 7, 2011
Chapter 3 HW I Solution
Problem 3.6: I placed an xy coordinate system at a convenient point (origin doesnt really matter).
y
173
x
The positions of both planes are given by
rB = vB ti + 173j mi
(1)
rA = 100i + vA t(
ME 314
Chapter 3 HW
February 12, 2010
Chapter 3 HW Solution
Problem 3.6: I placed an xy coordinate system at a convenient point (origin doesnt really matter).
y
173
x
The positions of both planes are given by
rB = vB ti + 173j mi
(1)
rA = 100i + vA t(0.70
ME 314
Chapter 1 HW
August 29, 2011
Chapter 1 HW Solution
Problem 1.1. Here are nine photos of planar four-bar linkages.
(a) Motorcycle shift linkage.
(d) Stepladder linkage.
(g) Folding chair linkage.
(b) Garage door linkage.
(e) 1968 GMC pickup hood lin
ME 314
Chapter 14 HW
April 16, 2010
Chapter 14 HW Solution
Problem 14.2: The force on the slider is P = 900 N, and we want to nd the moment M12 on link 2 to maintain
equilibrium.
The free-body diagrams of bodies 2 and 3 are shown below.
The law of sines r