Question: A thin rod having a mass of 4 kg is balanced vertically as shown. Determine the height h at which it can be struck with

A thin rod having a mass of 4 kg is balanced vertically as shown. Determine the height h at which it can be struck with a horizontal force F and not slip on the floor.This requires that the frictional force at A be essentially zero. F h A 0.8 m

F h A 0.8 m

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