A flat plate ofarea 0.1 m2 is placed on a flat surfadeand is separated from it by a film of10- m thick whose coefficient of viscosity1.5 N sm-2. The force required to cause theplate to slide on the surface at constant speed of 1 mm s-1 isace

Open in App

Solution

Suggest Corrections

Similar questions

Q. The force of

2000

dyne is required to move a flat glass plate of surface area

10 c m^{2}

with a velocity of

1 c m / s

over a surface of glycerine

1 m m

thick. The coefficient of viscosity of glycerine is

A glass plate of surface area 1 $m^{2}$ placed on a layer of turpentine of thickness 2 mm. If the coefficient of viscosity of turpentine 0.00149 N sm^–2 The force to be applied to move the plate horizontally with a velocity of $0.1 m s^{- 1}$ is

Q. There is a

1 m m

thick layer of glycerine between a flat plate of area

10 c m^{2}

& a big fixed plate. If the coefficient of viscosity of glycerine is

1.0 k g / m - s

, then how much force is required to move the plate with a velocity of

7 c m / s

Q. A square plate of glass of side

7 c m

and thickness

2 m m

. is placed with its square face flat on a liquid surface. If the surface tension of the liquid is

20 d y n / c m

, the force of surface tension on the glass plate is

Q. There is a

1 mm

thick layer of glycerine between a flat plate of area

100 {cm}^{2}

& a big fixed plate. If the coefficient of viscosity of glycerine is

1.0 kg/m-s

, then how much force is required to move the plate with a velocity of

7 cm/s

Join BYJU'S Learning Program