Physics
Grade-9
Easy
Question
Which of the fluids shown in the diagram will have less frictional force?
- Vegetable oil
- Corn syrup
- Honey
- Water
Hint:
Strong inter-molecular forces provide a lot of internal friction in a fluid with a high viscosity, which makes it difficult for layers to move past one another.
A fluid with low viscosity, flows smoothly because its molecular structure causes less friction when it is in motion.
The correct answer is: Water
The fluids shown in the diagram that will have less frictional force is water.
- The liquid frictional force depends on the nature and thickness of the liquid.
- A more viscous liquid has a high frictional force and a less viscous liquid gives less resistance or frictional force.
- Since water is thin and very less viscous fluid that provides less liquid friction.
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