A series of weights connected by very light cords are given an upward acceleration of by a pull P,as shown in the figure.A,B,and C are the tensions in the connecting cords.The pull P is closest to
A) 690 N.
B) 490 N.
C) 290 N.
D) 200 N.
E) 50 N.

Question

A series of weights connected by very light cords are given an upward acceleration of  by a pull P,as shown in the figure.A,B,and C are the tensions in the connecting cords.The pull P is closest to 
A) 690 N. 
B) 490 N. 
C) 290 N. 
D) 200 N. 
E) 50 N.

Quizplus · Accepted Answer

The Answer of A series of weights connected by very light cords are given an upward acceleration of  by a pull P,as shown in the figure.A,B,and C are the tensions in the connecting cords.The pull P is closest to 
A) 690 N. 
B) 490 N. 
C) 290 N. 
D) 200 N. 
E) 50 N.

A Series of Weights Connected by Very Light Cords Are