Physics
Grade-9
Easy
Question
Which of the following factors affect fluid friction?
- Nature of the fluid
- Speed of the object
- Shape and size of the object
- All of the above
Hint:
Fluid friction occurs between fluid layers that are moving relative to each other. This internal resistance to flow is also named viscosity or viscous drag or fluid friction.
Fluid friction depends on
- nature of the liquid,
- speed of the object,
- shape and size of the object.
The correct answer is: All of the above
All of the above (i.e nature of the liquid, the speed of the object, and the shape and size of the object) are the factors affecting liquid friction.
- The fluid friction resists the motion of an object over a liquid surface.
- The fluid friction depends on the nature of the fluid and the speed of the object.
- The size and shape of the object help to resist fluid friction.
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