Homework #2 Due Date: 25 Feb, 2010

Problem #1 If you represent the three forces and the couple by an equivalent system consisting of a force F acting at A and a couple M, what are the magnitudes of F and M?

Ax Ay MAMA

Problem #2 Replace the distributed loading shown in Figure by a single force.

0.8m F

Problem #3 The uniform bar BA in the Figure P4.31 weighs 300N and the block W weighs 500N. The block rests on the bar but is secured by a taut wire wrapped around a smooth pulley and connected to the right end of the bar at A. Determine the tension in the wire and the reaction onto BA at B.

Nm G T Bx By T Nm G Referring to the block, Referring to the beam,

Problem #4 Find the reactions exerted on the members by the supports.

Ax Ay By C50Nm 30N4N 0.2m

Problem #5 Find the reactions exerted on the members by the supports.

Ax Ay Nf F