Friction arises where surfaces touch, so friction is another example o…

Question

Friction arises where surfaces touch, so friction is another example of a:

Accepted Answer

C. Contact force

1. No contact between surfaces means no friction.
2. The two must rub against each other.
3. So friction is a contact force.
_Source: syllabus Science Class VIII, Chapter 8, Force and Pressure._

Answer

Coupled force

Answer

Crossing force

Answer

Constant force

Friction arises where surfaces touch, so friction is another example of a:

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