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a)$1.9 \textrm{m/s}^2$
b)$3.7 \times 10^2 \textrm{N}$
c)$2.5 \times 10^2 \textrm{N}$

Giancoli 6th Edition, Chapter 4, Problem 48

(9:13)

Chapter 4, Problem 48 is solved.

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Comments

Less friction force is applied from m2 to m1 b/c of the lower mass in m1 vs. m2 given the 620N push force? Meaning the friction force required from m2 to m1 for m1 to remain static is lower than if the blocks were switched with m1 applying friction to m2. Is this correct logic? Thx!