3. A truck-mounted crane in Figure 3 is moving a 1200-lbf concrete block on a construction site. The person at point B is helping the crane keep the block in static equilibrium before it is lowered to the ground. The frictionless connection ring at point C has a mass of 0.155 slugs and a = 24°. Calculate the magnitudes of the tension force in cable AC and the force the person applies through the rope BC. (Notice that the cable that connects the 1200-lbf weight to the connection ring is vertical.) OO OA 1200 lbf a B Figure 3 A person helping the crane balance a 1200-lbf block.
3. A truck-mounted crane in Figure 3 is moving a 1200-lbf concrete block on a construction site. The person at point B is helping the crane keep the block in static equilibrium before it is lowered to the ground. The frictionless connection ring at point C has a mass of 0.155 slugs and a = 24°. Calculate the magnitudes of the tension force in cable AC and the force the person applies through the rope BC. (Notice that the cable that connects the 1200-lbf weight to the connection ring is vertical.) OO OA 1200 lbf a B Figure 3 A person helping the crane balance a 1200-lbf block.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:3. A truck-mounted crane in Figure 3 is moving a 1200-lbf concrete block on a
construction site. The person at point B is helping the crane keep the block in static
equilibrium before it is lowered to the ground. The frictionless connection ring at
point C has a mass of 0.155 slugs and a = 24°. Calculate the magnitudes of the
tension force in cable AC and the force the person applies through the rope BC.
(Notice that the cable that connects the 1200-lbf weight to the connection ring is
vertical.)
OA
1200 lbf
α
B
Figure 3 A person helping the crane balance a 1200-lbf block.
Expert Solution
Step 1
Given
Mass of ring = 0.155 slugs
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