Question

Force on a particle in one-dimensional motion is given by F = Av + Bt + Cx/At + D
where F = force, v = speed, t = time, x = position and A, B, C and D are constants. Dimension of C will be-​

Answer 1

Answer:

Turpentine oil is flowing through a tube of length l and radius r. The pressure difference between the two ends of the tube is p. The viscosity of oil is given η=

4vl

p(r

2

−x

2

)

, where v is velocity of oil at a distance x from the axis of the tube. The dimensional formula of viscosity is