The force exerted by a magnet on an iron bar is an example of:
A
Gravitational force
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B
Electrostatic force
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C
Contact force
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D
Non-contact force
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Solution
The correct option is D Non-contact force A non-contact force is a force which acts on an object or between two objects without coming physically in contact with each other. The force exerted by a magnet on an iron bar is an example of magnetic force which is a non-contact force.