A load of P = 170 lb is applied to beam ABC. Bar (1) has a circular cross section with a diameter of 0.75 in. Determine the normal stress in bar (1). Let a = 39 in., b = 13 in., and c = 11 in.

A load of P = 425 lb is applied to beam ABC. Bar (1) is made of aluminum [E = 10,700 ksi; ν = 0.34] and has a circular cross section with a diameter of 0.82 in. Determine the magnitude of the normal strain in bar (1). Let a = 29 in., b = 13 in., and c = 8 in.

A load of P = 170 lb is applied to beam ABC. Bar (1) has a circular cross section with a diameter of 0.83 in. Determine the normal stress in bar (1). Let a = 30 in., b = 15 in., and c = 11 in.

A load of P = 190 lb is applied to beam ABC. Determine the vertical ground reaction at B. Let a = 34 in., b = 14 in., and c = 10 in.

What are South Korea’s chief exports? 

What are the chief exports of Australia? 

The chief exports of Japan include _______. 

What is the chief export of Peru? 

Give a vestiture character we have gone over in lecture with a reasonable explanation of what it is.

There are two most important reasons taxon names change. Give one here and the other in the next question.