2.  Which of the following is/are true of angular momentum? a)  torque is time derivative of angular momentum b)  angular momentum is conserved in a system that has no losses (like friction) c)  angular momentum is a vector quantity d)  a-c are all correct

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.