Homework 10
Note: Remember to include your name and SID and show both the solution and FBD. Additionally, include
units with your answers.
1) Determine the horizontal and vertical
components of the force acting on the frame's
pins A, B, and C.
2) Determine the reactions at supports A and B.
3) The pillar crane is subjected to a 500 kg crate.
Determine the force in the tie rod AB and the
horizontal and vertical reactions at the pin support C
when the boom is held in the position shown.
4) The spring has an unstretched length of 0.3 m.
Determine the angle θ for equilibrium if the uniform bars
each have a mass of 20 kg.
Homework 10
5) Determine the reactions at pins A and B of
the frame needed to support the 200-lb load.
The pulley at C has a radius of 0.5 ft, and the
pulley at D has a radius of 0.25 ft.