Before an automotive engine is started, its timing belt has…

Before an automotive engine is started, its timing belt has a length of 36.00 in. and a temperature of 60°F. At the engine operating temperature of 220°F, it is determined that the belt has elongated to 36.04 in. What is the coefficient of thermal expansion of the belt?

A steel [E = 205 GPa, ν = 0.327] rod with a circular cross s…

A steel [E = 205 GPa, ν = 0.327] rod with a circular cross section is used as a weight hanger. The straight part of the rod is 155-mm long and has a diameter of 4.6 mm. Determine the longitudinal strain in this portion of the rod when it supports a tensile load of 11.0 N.