Two 8.0 N forces act at each end of a beam of length 0.60m, the forces are 1 parallel and act in opposite directions. The angle between the forces and
the beam is 60degrees. What is the torque of the couple exerted on the
beam?
60°
0.60m

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.