Question

identify contact or non contact force of gravitational force and friction force​

Answer 1

Explanation:

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.

Answer 2

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Identify contact and non-contact forces out of gravitational and friction force.

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Gravitational force is a non contact force because when the earth or any other planet applies gravitational force on any object, it doesn't require to be in contact with it, it can still pull it while if we talk about friction force,it is a contact force because it needs to come in contact with the object to apply frictional force on it.