13. Look at the diagram and answer the following questions:
B
A
80 70 60 50 40 30 20 10
BO 70 60 50 40 30 20 10
0 10 20 30 40 50 60 70 80
DOT
10 20 30 40 50 60 TO 80
a. When a force is applied through the free end of the spring balance A, the reading on spring
b. Write reason for your answer.
balance A is 15g wt. What will be the measure of the reading shown by spring balance B? what is the reoson for your answer
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where is the diagram....................................?
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