Question

Newton’s law of viscosity relates:
(1) Pressure, velocity and viscosity
(2) Shear stress and rate of angular deformation in a fluid
(3) Shear stress, temperature, viscosity and velocity
(4) Pressure, viscosity and temperature

Answer 1

shear stress and rate of angular deformation in a fluid

Answer 2

2) shear stress and rate of angular deformation in a fluid