PROBLEM 2.45 The rigid bar ABC is suspended from three wires of the same material. The cross-sectional area of the wire at B is equal to half of the cross-sectional area of the wires at A and C. Determine the tension in each wire caused by the load P shown.
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?In an amorphous molecular structure of plastic, the appearance of the plastic will always be ____.
A. ?reflective B. ?opaque C. ?transparent D. ?translucent
What was the effect of tight and exploitative overlordship in places such as northern France?
a. It led the peasants to flee in large numbers to towns and cities. b. It induced peasants into open and violent revolt against their lords. c. It bound the peasantry together as a group living with common interests. d. It drove the peasants to emigrate to Muslim territories.
A model known as stopping sight distance is used by civil engineers to design roadways. This simple model estimates the distance a driver needs in order to stop his car traveling at a certain speed after detecting a hazard. The model proposed by the American Association of State Highway and Transportation Officials (AASHTO) is given by
HIV may be transmitted by giving blood.