Three spring scales are attached along a straight line as shown. The scale on the left is attached to a wall. A force of 15 N is applied to the scale at the right. What is the reading on the middle scale?
A)0 N
B)45 N
C)10 N
D)5 N
E)15 N

Question

Three spring scales are attached along a straight line as shown. The scale on the left is attached to a wall. A force of 15 N is applied to the scale at the right.  What is the reading on the middle scale?
A)0 N 
B)45 N 
C)10 N 
D)5 N 
E)15 N

Quizplus · Accepted Answer

The Answer of Three spring scales are attached along a straight line as shown. The scale on the left is attached to a wall. A force of 15 N is applied to the scale at the right.  What is the reading on the middle scale?
A)0 N 
B)45 N 
C)10 N 
D)5 N 
E)15 N

Three Spring Scales Are Attached Along a Straight Line as Shown