$\"\"$

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Force required to compress the spring $\"\"$ is $\"\"$ .

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Hooks law: $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$ .

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The force required to compress the spring $\"\"$ is $\"\"$ .

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$\"\"$

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Work done by the object in moving from $\"\"$ to $\"\"$ is $\"\"$ .

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Find the work done in compress the spring $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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The work done in compressing the spring $\"\"$ is $\"\"$ .

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$\"\"$

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The work done in compressing the spring $\"\"$ is $\"\"$ .