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8th CBSE
IMPORTANT
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Fluid friction is minimum for objects that have a streamlined shape.

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 7
The force of friction does not depend on the nature of surface.
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 1

A frictional force always tends to _____ the motion of a body.

(Select from the options: oppose/support)

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8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 3
Shapes that are designed to reduce air resistance are called _____ shapes.
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8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 4

Soles of shoes are grooved to _____ friction.

(Choose from: increase/decrease)

EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 5
Rolling friction is much less than the _____ friction. (Sliding/ force of friction)
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 1
Friction exerted by fluids is called _____.
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 2
Friction between two flat surfaces cannot be reduced by
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 10 - Friction>EXERCISES>Q 3
Rolling friction is always less than the