1.

What will be the work done by F’?$

A. <sup>1</sup>⁄<sub>4</sub>F’ Δ’
B. <sup>1</sup>⁄<sub>3</sub>F’ Δ’
C. <sup>1</sup>⁄<sub>2</sub>F’ Δ’
D. F’ Δ’
Answer» D. F‚Äö√Ñ√∂‚àö√ë‚àö¬• ‚âà√≠‚àö√Ü‚Äö√Ñ√∂‚àö√ë‚àö¬•


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