A box is suspended by 3 cables as shown. If the weight of the box, W = 83 lb, and cable C has a unit vector, Ue = -0.500 i +-0.766 j+0.407 k and cable A has a unit vector Ua=-0.857 i+0.515 j. What is the tension in cable B?

1. Find the Forces A and acting on the Skg uniform rod as shown. Consider the welght of the rod. 70N 0.8 m 50N 1.3 m 5m 2 Find the torque produced by each force (R and strom the figure shown. R=30 N hinge 2 m 4 m S-30 N 12 m

Completely determine the resultant of the forces shown in the figure. Option: R= 957lb down to the right at 32.2°, (0, 1.38) (2.19,0) R= 759lb down to the right at 32.2°, (0, 1.38) (2.19,0) R= 957lb down to the left at 32.2°, (0, 1.38) (2.19,0) R= 759lb down to the left at 32.2°, (0, 1.38) (2.19,0)

Two equivalent system of forces and moments act on the plate are shown in the figure below. Determine the force P. * 60 N 20 N 60 N 1.5m 1.5m D 1.6m E M. 200 Nm 60 N E 4m 4m 100 NI System 1 System 2

Solve only c

3. A concurrent force system in space is composed of 3 forces described as follows: P1 has a magnitude of 100KN and acts through the origin and points x = 3, y = 4, z = 2. P2 has a magnitude %3D of 60KN and acts through the origin and points x = 4, y = 1, z = -2. P3 has a magnitude of 80KN and acts through the origin and points x = 2, y = -3, z = 3. Which of the following most nearly gives the z-component of the resultant force? A. 145KN B. 25KN C. 155KN D. 35kN

For the forces system in figure Q4: if the resultant mom ent aboul point A is equal to (Zero) magnit ude of the force P. find the A O.2 m Q= 650 N .2ml مائله وجب تليلع ل MA = 0.o = ZF P. %3D

Q2. Determine all forces acting on body A for the system shown in figure 2. Body A weighs 200 N and the cylinder B weighs 500 N. assume all the contact surfaces are smooth. 24 ring Cable r= 0.5 m 30 0.5 m B 2 m 30 Figure (2)

3) A machine weighing 1500 N is supported by two chains attached to some point on the machine. One of these ropes goes to the eye bolts in the wall and is inclined 30°to the horizontal and other goes to the hook in ceiling and is inclined at 45°to the horizontal. Find the tensions in the two chains.

Th lamp , mass = 10 Kg,  is suspended in the position shown. The undeformed length of spring AB is 0.84 m and the spring has a stiffness of K = 784 N/m. For L= 2.8 m       find Tension in cable AC , Internal force in spring AB, length of AC