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How can you differentiate between a contact force and a force at a distance? (OR) Distinguish between a contact force and a force at a distance.

Answer»
Contact forceA force at a distance
1. Force which results when there is a direct physical contact between two interacting objects is known as contact force.1. The force which occurs without any physical contact between two objects is known as a force at a distance or field force.
2. The two objects have direct contact.2. No contact.
3. For example, the tyres of a bicycle has direct contact with the surface of the road.3. For example, the attraction of two magnets.


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