Which pulley system will allow the armchair to be lifted with the least amount of effort?

A. SYSTEM A
B. SYSTEM B
C. SYSTEM C
D. SYSTEM D

PLLZZZZZ HELP 25 POINTS

Which pulley system will allow the armchair to be lifted with the least amount of effort A SYSTEM A B SYSTEM B C SYSTEM C D SYSTEM D PLLZZZZZ HELP 25 POINTS class=