1 20 kN (3) 40 kN (1) (2) 40 kN 20 kN Determine the internal axial force in segment (2) of the compound axial assembly. Give your answer in units of kN.

A force of 62,125 pounds pulls on a steel rod that has a diameter of 1800 inches. Find the force pulling on 1 square inch of the cross-sectional area. Round the answer to the nearest pound.

The steel beam shown weighs 7800 kilograms/cubic meter. Determine the weight of the beam to the nearest kilogram.

A copper casting is in the shape of a prism with an equilateral triangle base. The length of each base side is 17.80 centimeters, and the casting height is 16.23 centimeters. Copper weighs 8.8 grams per cubic centimeter. Determine the weight of the casting in kilograms. One kilogram equals 1000 grams. Round the answer to 2 decimal places.