Spring scale A is attached to the floor and a rope runs vertically upward, loops over the pulley, and runs down on the other side to a W = 74-N weight as shown. Scale B is attached to the ceiling and the pulley is hung below it. What are the readings of the two spring scales, A and B? Neglect the weights of the pulley and scales.
Jitender Pal , 11 Years ago
Grade 9