The simple frame shown below consists of two pin connected members. Each pin has a diameter of 6.35 mm (i.e. ).
The pins are made of steel with a shear failure strength of 200 MPa. This frame will be used in an application that
Match the terms to their definitions. Note that each definition will be used only once.
C. Pivotal player
D. Grand Coalition
E. Weighted Voting System
F. Critical players
G. Veto Power
A player whos
The ladder shown below is 8 m long and has a mass of 20 kg. The man on the ladder has a mass of 90 kg. Assume the
static coefficient of friction between the ladder and floor is 0.6 and that the contact between the ladder and wal
The block shown below rests on an inclined plane and is loaded as shown. Ignore gravity/weight in this problem.
What is the maximum force, P, that can be applied before the block starts to slide?
Two bars, each of mass m and length l are pinned at A as shown. The system will be stable for certain combinations of
angle, , and friction coefficient, .
Your answer to this problem should be in symbolic form, i.e. an expressio
Consider the system shown below. The shaft is supported by a thrust bearing at A and a journal bearing at B. The cable
on the drum supports 120 lb as shown.
(a) Find the load P required for the system to be in equilibrium.
Consider the frame shown below. A force P=500 N is applied as shown.
(a) Calculate the internal normal force, shear force, and bending moment at section a-a.
(b) Calculate the internal normal force, shear force, and bending moment at sec
A piston attached to a connecting rod is shown below. A moment (M=2000 N-m) is applied at A. Rod BC has a crosssectional area of 450 mm2. Points A, B, and C are pin connections.
(a) Determine the force P that is needed for the s
The assembly shown below consists of five wooden boards glued together with adhesive as shown. Each of the five
boards has a thickness of 21 mm and a width of 210 mm. 210 mm is the width of the board into the page. The boards
The bar shown has a square cross-section with dimensions of 100 mm by 100 mm and is loaded as shown in the figure.
(a) Calculate the average normal stress in the bar in the following regions: (1) between C and B, (2) between B a
In an election with 4 candidates, what is the maximum number of columns that can appear in the preference schedule?
Given a voting system with 6 candidates and 60 voters, what is the total
number of points given out to the ca