Question

Friction force is an example of ______ where as gravitational force is of ______.

• A. contact force
• B. non contact force

Answer 1

1. Contact force is a force that is experienced by the object in contact.
2. Friction force acts when two objects are in contact.
3. the force that acts between two surfaces not in actual contact is called non-contact force.
4. Gravitational force acting on a body as a result the body comes down.

Hence friction force is contact force and gravitation force is of non contact force.