The two blocks (m=16 kg and M=88 kg) in Fig. are not attached to each other.The coefficient of

What is the minimum magnitude of the horizontal force required to
keep the smaller block from slipping down the larger block?

The two blocks (m=16 kg and M=88 kg) in Fig. are not attached to each other.The coefficient of static friction between the blocks is μs​=0.38, but the surface beneath the larger block is friction-less. What is the minimum magnitude of the horizontal force F
required to keep the smaller block from slipping down the larger block?

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