Find net work done

A particle of mass 'm' is moved from point A to B along the track as as shown in the figure

Find the minimum work that has to be done to cause that

DETAILS AND ASSUMPTION

m=1kgm=1 kg

g=10m/s2g=10m/s^2.

AB=2mAB= 2m

coefficient of friction = 0.20.2

Height of first hemisphere = 0.2m0.2m

Height of 2nd hemisphere= 0.1m0.1 m

Height of 3rd hemisphere= 0.01m0.01m

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