
What are the methods to reduce friction?

Important Questions on Force and Friction

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

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