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Three blocks of mass ?1=?2=?3=1?? are stacked on a table as shown. The surfaces of the...

Three blocks of mass ?1=?2=?3=1?? are stacked on a table as shown. The surfaces of the blocks and table are coated with Teflon and all have the same small coefficient of friction, ??=??=0.01. A force of 30N is applied straight down on the top mass as shown.

a) Draw a free body diagram for each mass labelling all forces.

b) Which direction might the bottom mass move and why?

c) What is the acceleration of the top mass?

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