## 17 February 2023

### Difference between contact and non contact force

A non-contact force is one that operates on an object without coming into physical touch with it, as opposed to a contact force, which is applied by an object that is in contact with another object. Let's understand the concept of the difference between contact and non-contact force here in this article.

## Contact Vs Non-contact force:

• Contact forces require a physical touch or contact between two objects. Non-contact forces do not require any physical touch to work on the object.
• Since contact force requires physical touch between two things, it cannot be used from a distance. Since contact between the two objects is not necessary for non-contact force, it can function from a distance.
• Vector fields are used to determine the contact forces while non-contact forces can not be represented using vectors.
• Contact force includes muscular force, normal force, tension and frictional force. Non-contact force includes electromagnetic force, gravitational force and electrostatic force.
• Example of contact force - Muscular force is required to kick the ball, or else the ball would not move. Example of non-contact force - There is no contact between a free-falling object and the earth.
• Contact forces can be or can not be natural forces while non-contact forces are natural forces.
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