The pointer reading versus load graph for a spring balance is as shown in the figure.The spring constant is

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15 kgf/cm

5 kgf/cm

1 kgf/cm

10 kgf/cm

answer is C.

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Detailed Solution

F = kx or k = slope of F-x graph [when F (load) is alongY-axis and extension (x) is along X-axis.)Here, F is along X-axis.So, k=1010=1kgf/cm

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