Differentiate between contact and non-contact forces

Contact force is a force that is applied by objects in contact with each other. The contact force acts on a point of direct contact between the two objects.

A non-contact force is a force applied to an object by another body that is not in direct contact with it. Non-contact forces come into play when objects do not have physical contact between them or when a force is applied without any interaction

Difference between contact and non-contact force

The difference between contact and non-contact force is tabulated below

Contact forces Non-contact force
Contact force occurs due to the contact between two different objects. Non-contact force occurs due to either attraction or repulsion between two objects such that there is no contact between these objects.
There is no field linked with the contact force. There is always a field linked with non-contact force.
The frictional force is an example of a contact force. Gravitational force is an example of a non-contact force.

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