Question: A small body A starts sliding down from the top of a wedge (Fig.) whose base is equal to l = 2.10 m. The coefficient

A small body A starts sliding down from the top of a wedge (Fig.) whose base is equal to l = 2.10 m. The coefficient of friction between the body and the wedge surface is k = 0.140. At what value of the angle α will the time of sliding be the least? What will it be equal to?

Fig. 1.12.

Fig. 1.12.

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