A Series of Weights Connected by Very Light Cords Are

Multiple Choice

A series of weights connected by very light cords are given an upward acceleration of 4.00 m/s² by a pull P,as shown in the figure.A,B,and C are the tensions in the connecting cords.The SMALLEST of the three tensions,A,B,and C,is closest to

A) 80.0 N.
B) 196 N.
C) 276 N.
D) 483 N.
E) 621 N.