Fluid Friction

Author:Neha Sharma & Akanksha Dudpuri
8th CBSE
IMPORTANT

Important Questions on Fluid Friction

MEDIUM
IMPORTANT
Start Up Science>Friction>Fluid Friction> Q 1

A flying machine offering the least frictional force should be

MEDIUM
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Start Up Science>Friction>Fluid Friction> Q 2

Fluid friction is minimum for objects that have a streamlined shape.

HARD
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Start Up Science>Friction>Fluid Friction> Q 3

What do you understand by the term drag? Is it different from fluid friction?

EASY
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Start Up Science>Friction>Fluid Friction> Q 4

Define the term: Drag.

MEDIUM
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Start Up Science>Friction>Fluid Friction> Q 5

Explain why objects moving in fluids must have special shapes.

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Start Up Science>Friction>Fluid Friction> Q 6

Shapes that are designed to reduce air resistance are called _____ shapes.

EASY
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Start Up Science>Friction>Fluid Friction> Q 7

Friction exerted by fluids is called _____.