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If k is the force constant of the spring...

If k is the force constant of the spring and `mu` is the coefficient of friction between the body of mass m and the floor, then write the total negative work done on the body tied to a spring at one end and the other end of the spring to a rigid support.

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Negative work done = `(1)/(2)kx^(2)+mumgx_(m)`.
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SUBHASH PUBLICATION-WORK, POWER AND ENERGY -NUMERICALS WITH SOLUTIONS
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