EASY
8th CBSE
IMPORTANT
Earn 100

Sprinkling of powder on the carrom board  friction.  (Choose from here: increases/reduces)

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Important Questions on Friction

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Very Short Answer Type Questions>Q 35

Fill in the following blanks with suitable words:

Ball bearings reduce friction because they _____ rather than slide.

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Very Short Answer Type Questions>Q 35
The friction when something moves through a liquid or gas is called _____. Choose from:(sliding friction/ drag)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Very Short Answer Type Questions>Q 35
Cars and speedboats are _____ to reduce drag.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Very Short Answer Type Questions>Q 35
Shapes that are designed to reduce air resistance are called _____ shapes.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Very Short Answer Type Questions>Q 35

Fill in the following blanks with suitable words:

Objects which can move quickly through the water have a _____ shape.

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Very Short Answer Type Questions>Q 35
The shape of an aeroplane is similar to that of a _____ in flight. (Choose from here: ship/bird/cycle)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 36
When we try to push a very heavy box kept on the ground, it does not move at all. Which force is preventing this box to move forward? Where does this force act?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 12 - Friction>Short Answer Type Questions>Q 37
Suppose your writing table (or desk) is tilted a little. A book kept on the table starts sliding down. Draw a diagram to show the direction of force of friction acting on the book.