Two plates are separated by a 𝟏/𝟖 𝒊𝒏. space. The lower plate is
stationary; the upper plate moves at a velocity of 𝟐𝟓 𝒇𝒕/𝒔. Oil (SAE
10W-30, 150°F), which fills the space between the plates, has the same velocity as the plates at the surface of contact. The variation in
velocity of the oil is linear. What is the shear stress in the oil? 𝝁𝒐𝒊𝒍 = 𝟏. 𝟓 × 𝟏𝟎−𝟑𝒍𝒃. 𝒇/𝒇𝒕𝟐
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