CBSE Friction Class 8 Extra Questions
- Friction is the “evil” of all motion. No matter which direction something moves in, friction pulls it the other way
- Friction is caused by the irregularities on the two surfaces in contact
- Friction depends on nature of surfaces in contact
- Friction depends on how hard the two surfaces press together.
- Static friction comes into play when we try to move an object at rest
- Sliding friction comes into play when an object is sliding over another. Please refer Friction Class 8 Extra Questions for more information.