Question

Which of the following methods for reducing fluid friction?

• A. Polishing the surface.
• B. Decreasing the speed of the object.
• C. Reducing the contact area between the surfaces.
• D. Increasing the contact area between the surface.

Answer 1

Answer: (A), (B), (C)

The correct options are
A Polishing the surface.
B Decreasing the speed of the object.
C Reducing the contact area between the surfaces.

The methods for reducing fluid friction are:

• Polishing the surface
• Decreasing the speed of an object moving through fluid
• Reducing the contact area between the surfaces