Question: [ - / 2 Points ] A force of 1 2 lb is required to hold a spring stretched 8 in . beyond its natural

[-/2 Points]
A force of 12 lb is required to hold a spring stretched 8 in . beyond its natural length. How much work W is done in stretching k from its natural length to 14 in , berond its natinal length? W = ft-lb
[ - / 2 Points ] A force of 1 2 lb is required to

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