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8th CBSE
IMPORTANT
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Rolling friction is less than sliding friction.

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Looking Back>Q 3
Friction produces heat, and causes damage of machine parts.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Looking Back>Q 4
The use of wheels increases friction between surfaces.
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Looking Back
Four shapes are given below. Which of them is likely to move through water in the direction opposite to the flow of water with the greatest ease? (The direction of flow of the water is indicated by arrows.)
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q A
Which of these is not true about friction?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q A
Sliding friction _____.
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q A
Which of these would not occur in a world without friction?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q A
Which of the following is not a disadvantage of friction?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 12 - Friction>Exercises>Q A
In which of these cases is friction a disadvantage?