In the Figure,a 10-Lb Weight Is Suspended from Two Spring

Multiple Choice

In the figure,a 10-lb weight is suspended from two spring scales,each of which has negligible weight.Which one of the following statements about the readings in the scales is true?

A) Each scale will read 5 lb.
B) The top scale will read zero,the lower scale will read 10 lb.
C) The lower scale will read zero,the top scale will read 10 lb.
D) Each scale will show a reading between one and 10 lb,such that the sum of the two is 10 lb.However,exact readings cannot be determined without more information.
E) None of these is true.