Fluid is the substance that flows under the action of _________.

Fluid is the substance that flows under the action of _________.

a. Shearing force
b. Tensile force
c. Both of a and b
d. No need of any force

Correct Answer : a. Shearing force

Explanation :

Fluids are the substances that have zero shear modulus that means fluids can not resist any shear force applied to them. Thus fluid flows under the action of shearing force.