2 A horizontal uniform plank is supported by ropes I and II

Last updated: 6/7/2023

2 A horizontal uniform plank is supported by ropes I and II at points P and Q respectively as shown above The two ropes have negligible mass The tension in rope I is 150 N The point at which rope II is attached to the plank is now moved to point R halfway between point Q and point C the center of the plank The plank remains horizontal Which of the following are most nearly the new tensions in the two ropes Tension in I A B C D 75 N 100 N 112 5 N 112 5 N 150 N Tension in II 225 N 200 N 112 5 N 187 5 N 300 N