Contain at least one two-force member. Solve by utilizing the two-force principle, where appropriate. If the weight of a body is not specifically stated, it can be neglected. The pins at the end of the retaining-ring spreader fit into holes in a retaining ring. When the handgrip is squeezed, the pins spread the retaining ring, allowing its insertion or removal. Determine the spreading force P caused by the 8-lb forces applied to the handgrip.
