Calculating Deceleration From Viscosity [Fluid Mechanics]

Описание к видео Calculating Deceleration From Viscosity [Fluid Mechanics]

A safe, weighing 245 newtons, on a massless wooden board slides across an oiled floor at a speed of 8 m/s. The length of the wooden board is 20 cm, the width of the board is 10 cm, the thickness of the oil film is about 0.4 mm, and the viscosity of the oil is 0.12 Pa.s. Estimate the deceleration of the safe due to viscous shear.

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