Blog

Determine the deflection at B. Let M = 9,000 lb·in., a = 75 in., b = 41 in., and EI = 257 × 106 lb·in.2.

  Refer to the graph above. The opportunity cost of producing an additional pound of butter in the Netherlands is _____. 

Determine the deflection at C. Let w = 11 lb/in., a = 77 in., b = 21 in., and EI = 51 × 106 lb·in.2.

Refer to the graph above. ____ has a comparative advantage in producing butter, and ____ has a comparative advantage in producing cheese. 

If the support at C has settled downward a distance of Δ = 0.012 in., determine the reaction force at C. Let P = 188 lb, a = 55 in., and EI = 37 × 106 lb·in.2.

When the world price of a good is above the equilibrium price, and the country exports that good, there ____. When the world price of a good is below the equilibrium price, and the country imports that good, there ____. 

Determine the reaction moment at A. Let w = 7 lb/in., a = 122 in., and EI = 90 × 106 lb·in.2.

Determine the magnitude of the slope at A. Let M = 16,900 lb·in., a = 118 in. and EI = 49 × 106 lb·in.2.

Determine the deflection at B. Let M = 7,400 lb·in., a = 78 in., b = 34 in., and EI = 79 × 106 lb·in.2.

Gasoline and kerosene are complements in production, and the price of gasoline rises. In response, there is a ____ of kerosene at the initial equilibrium price, and the price of kerosene will ____.