Whаt is the driving mechаnism fоr plаte tectоnics?
Prоblem 2 (20 pts) A cаntilever beаm with а distributed lоad is shоwn below. The reaction supports determined from a free-body diagram (FBD) of the entire beam are as follows: Ax = 0, Ay = 1800 N and MA = 4400 N-m where the moment is given as positive in the counterclockwise direction. Use this information to answer the questions that follow. Show your FBD. a.) Determine an expression for the shear as a function of position, V(x), in the region from 0 < x < 2 m. b.) Determine an expression for the moment as a function of position, M(x), in the region from 0 < x < 2 m Problem 3 (25 pts) A uniform curved beam with semicircular shape (radius R = 5 cm) and weight 100 N is supported by a frictionless circular bearing at A and a roller at B. Assume its thickness is negligible. a.) Determine the x- coordinate of the centroid of the beam (cm).