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A force of 25 N is required to hold a string that has been stretched from...

A force of 25 N is required to hold a string that has been stretched from its natural length of 20 cm to 30 cm. How much work is done in stretching the spring from 20 cm to 25 cm?

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Answer #1

Then given data , Force , F = 25 N

The elongation (x) = 30cm-20cm = 10cm

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