# 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

$$m=1 kg$$

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

$$AB= 2m$$

coefficient of friction = $$0.2$$

Height of first hemisphere = $$0.2m$$

Height of 2nd hemisphere= $$0.1 m$$

Height of 3rd hemisphere= $$0.01m$$

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