Blog

Consider the United States’ PPF between mangos and pineapples. The United States can produce an additional mango without reducing its production of pineapples. The United States’ production is ____.

If the support at B has settled downward a distance of Δ = 0.047 in., determine the reaction force at B. Let w = 8 lb/in., a = 128 in., and EI = 95 × 106 lb·in.2.

Determine the deflection at B. Let P = 130 lb, a = 71 in., b = 43 in., and EI = 52 × 106 lb·in.2.

Determine the magnitude of the slope at A. Let w = 16 lb/in., a = 140 in. and EI = 94 × 106 lb·in.2.

If the support at B has settled downward a distance of Δ = 0.014 in., determine the reaction force at B. Let w = 12 lb/in., a = 134 in., and EI = 45 × 106 lb·in.2.

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

Determine the magnitude of the slope at B. Let w = 20 lb/in., a = 138 in. and EI = 111 × 106 lb·in.2.

Determine the maximum deflection of the beam. Let w = 12 lb/in., a = 142 in. and EI = 51 × 106 lb·in.2.

TRUE OR FALSE: When the price of a can of soda falls, the amount of tax that soda consumers must pay does not change. This means that soda is taxed using an ad valorem tax.

Determine the deflection at C. Let P = 100 lb, a = 54 in., b = 36 in., and EI = 98 × 106 lb·in.2.