A spring of force constant $800 \mathrm{~N} / \mathrm{m}$ has an extension of $5 \mathrm{~cm}$. The work done in extending it from $5 \mathrm{~cm}$ to $15 \mathrm{~cm}$ is

Question:

A spring of force constant $800 \mathrm{~N} / \mathrm{m}$ has an extension of $5 \mathrm{~cm}$. The work done in extending it from $5 \mathrm{~cm}$ to $15 \mathrm{~cm}$ is

  1. $16 \mathrm{~J}$

  2. $8 \mathrm{~J}$

  3. $32 \mathrm{~J}$

  4. $24 \mathrm{~J}$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Work, Energy and Power chapter.

JEE Main Previous Year 2002


Correct Option: 2

Solution:

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