Examples of contact forces include muscular force, frictional force, spring force, etc.
It should be noted that force is the push or pull on an object with mass that causes it to change its velocity. Contact force occurs due to the contact between two different objects.
On the other hand, non-contact force occurs as a result of attraction or repulsion between the two objects such that there is no contact between these objects.
A non-contact force is one that is exerted on an object by a body other than the one that is in actual physical touch with it. When a force is delivered without causing any interaction between the items or when there is no physical contact between them, non-contact forces are at work. There are comparatively few non-contact forces when compared to the different kinds of contact forces.
Examples of non-contact forces will be electricity, radio waves, microwaves, infrared, visible light, and gamma
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