AP EAMCET 22 May 2023 Shift 2 Paper

A block of mass 1‌kg is attached to a horizontal spring and rests on a horizontal surface with co-efficient of friction 0.4 as shown in the figure. If the body is displaced by 1‌cm by the tension in the spring, then the work done by the frictional force is
(Acceleration due to gravity =10ms−2 )