A Climber Pulls on a Rope That Goes Through a Single

Multiple Choice

A climber pulls on a rope that goes through a single pulley directly above him and then comes back down to an attachment point on his belt.The climber has a mass of 65 kg.The force with which the climber must pull on the rope in order to support himself on the rope is

A) 1275 N.
B) 638 N.
C) 319 N.
D) 1913 N.
E) 213 N.