The rigid beam BC is supported by rods (1) and (2). For a uniformly distributed load of w = 2.7 kN/m, determine the force in rod (1). Assume a = 2.50 m and L = 4.50 m.

A short column is loaded in compression. Segment (1) has a solid cross section with a diameter of 1.10 in. Segment (2) is hollow with an outside diameter of 1.32 in. and a wall thickness of 0.11 in. If segment (2) has a normal stress of 16 ksi, determine the normal stress in segment (1).

The ultimate source of energy flowing into nearly all ecosystems is ________.

A steel rod with a circular cross section is used as a weight hanger. The straight part of the rod is 160-mm long and has a diameter of 4.8 mm. Determine the magnitude of the lateral strain in this portion of the rod when it supports a tensile load of 11.0 N.

Explain why drug addiction requires more and more of the drug and explain withdrawal symptoms. 

Three plates are connected with two bolts and transmit load P = 7.0 kN. Each plate is 5.4 mm thick, and each bolt has a diameter of 10.7 mm. Determine the average shear stress in the bolts.

Before an automotive engine is started, its timing belt has a length of 40.00 in. and a temperature of 75°F. At the engine operating temperature of 210°F, it is determined that the belt has elongated to 40.04 in. What is the coefficient of thermal expansion of the belt?

The ultimate source of energy flowing into nearly all ecosystems is ________.

Rigid pipe (2) is supported by a pin connection at C and tie rod (1). The structure supports a load P = 11 kN at pin B. Assume x1 = 3.8 m, x2 = 2.5 m, and y1 = 3.7 m. Determine the force in tie rod (1).

A. Which type of fat is the least healthy?  B. Are unhealthy fats liquid or solid at room temperature?