What is the reactive force when a fish swims through water? a. the force of the fish's tail on the water c. the force of gravity on the fish b. the force of air resistance on the fish d. the force of the water on the fish

The safe load, l, of a wooden beam of width w, height h, and length l, supported at both ends, varies directly as the product of the width and the square of the height, and inversely as the length. a wooden beam 4 inches wide, 9 inches high, and 240 inches long can hold a load of 6810 pounds. what load would a beam 3 inches wide, 8 inches high, and 144 inches long, of the same material, support? (round off your answer to the nearest integer.)