Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Explore a wealth of knowledge from professionals across various disciplines on our comprehensive Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

The telescoping arm ABC is used to provide an elevated platform for construction workers. The workers and the platform together have a mass of 220 kg and have a combined center of gravity located directly above C. Assume θ = 20°.