EASY
8th CBSE
IMPORTANT
Earn 100

What are the methods to reduce friction?

Important Questions on Force and Friction

HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>HOTS (Higher Order Thinking Skills)
Why is the invention of the wheel considered an important step of development in the history of science? (Hint: Rolling friction)
HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>EXERCISE>Identify which type of friction is depicted in the given pictures

Identify which type of friction is depicted in the given pictures.

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EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>WORKSHEET>Solve the following crossword puzzle with the help of clues given below

Solve the following crossword puzzle with the help of clues given below.

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Across:                                                                                                                                             Down:

2. Unlike charges _____ each other.                                                         1. _____ is an example of non-contact force.

3. Gravitational force is always an _____ force.                                         2. Muscular force is a _____ force.

4. Like charges _____ each other.                                                              3. Sliding friction is _____ than rolling friction.

7. This force opposes the motion between two surfaces.

8. Substances used to minimise friction are called_____.