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What is the strain on a hanging load, when a force of 1 Newton is applied on it and it expands the length of the object from 9cm to 12 cm?

What is the strain on a hanging load, when a force of 1 Newton is applied on it and it expands the length of the object from 9cm to 12 cm? Correct Answer 0.3334

Given:- Force applied=1 N Original length(o)=9cm New length=12 cm Extended length(e)=New length-Original length Extended length(e)=12-9=>3cm Strain (s) = Extended length(e)/Original length(o) Strain (s)=3cm/9cm=>0.3334.

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