1. How can you differentiate between a contact force and a force at a distance? (AS)
+ Give two examples each for a contact force and a force at a distance. (AS)
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contact force is that force which is touched by a person or a chain which is forced by an organism in contact. while contact force at a distance doesn't touches any body. eg.- magnetic force, gravitational force.
eg. of contact force:- muscular force, friction
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