The two blocks (m = 34 kg and M = 109 kg) in the figure below are not attached t

Question

The two blocks (m = 34 kg and M = 109 kg) in the figure below are not attached to each other. The coefficient of static friction between the blocks is

The two blocks (m = 34 kg and M = 109 kg) in the figure below are not attached to each other. The coefficient of static friction between the blocks is mu s = 0.34, but the surface beneath the larger block is frictionless. What is the minimum magnitude of the horizontal force required to keep the smaller block from slipping down the larger block? N

Explanation / Answer

minimum force required 34*9.81=0.34*N

now for small block F-N=34*a

for bigger block N=109a

but N from above equation N=981 N

a=9 m/s^2

F=1287 N ans

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