The telescoping arm ABC is used to raise a worker to the elevation of overhead electric and telephone wires. For the extension shown, the center of gravity of the 1400-lb arm is located point G. The worker, the bucket, and equipment attached to the bucket together weigh 450 lb and have a combined center of gravity at C. Determine the force exerted at B by the hydraulic cylinder used whe n θ = 35°.

Transcribed Image Text:

20R 15 ft