What will be the weight of a rectangular steel bar 15 ft long, 1 foot wide, 2 inches thick? (Density of steel = 461 lb/ft3) Show your work!
V = LWH
W = DV
A) 1,152.5 pounds
B) 11.52 pounds
C) 115.25 pounds
D) 2006.5 pounds

Question

Quizplus · Accepted Answer

First, convert the thickness from inches to feet: 2 inches = 2/12 feet = 1/6 feet. Then, calculate the volume (V) of the bar using the formula V = LWH = 15 * 1 * (1/6) = 2.5 cubic feet. Finally, calculate the weight (W) using the formula W = DV = 461 * 2.5 = 1,152.5 pounds.

What Will Be the Weight of a Rectangular Steel Bar