Question
A large 2,000-N cement block is pulled up a frictionless 43 degrees incline using a dual-strand pulley that is attached to the block. One end of the rope is tied to the wall at the top of the plane while a man is pulling the other end of the rope. What is the tension in the pull of the rope if the rope is pulled parallel to the plane?
(A) 732 N
(B) 682 N
(C) 1,463 N
(D) 1,364 N
(E) 462 N
(A) 732 N
(B) 682 N
(C) 1,463 N
(D) 1,364 N
(E) 462 N
Answers
Anonymous
component of weight down slope =2000 sin 43 = 1364
1364/2 = 682 Newtons
1364/2 = 682 Newtons