Explain any two non-contact forces with proper justification. Mention any one real-life example of each type.
Answers
two non contact forces are gravitational force and magnetic force
gravitational force- it is force in which all the object on earth are attracted toward the earth and are stable. eg whenever you joump you cant leave the surface of the earth for a longer time.
magnetic force- it is a force between a magnet and a magnet or any object that attract towards magnet. eg maglev train uses magnetic repulsion to run. maglev flows on track
Explanation:
Non contact forces are those which act on a body/particle and produce effects without any physical contact.
Examples: Gravitational force, Magnetic force, Electrostatic force.
Suppose a ball is released from a certain height in a place where gravity acts. The ball will obviously fall down. This is due to Gravitational force which acts on the ball even without any physical contact. Hence this is an example of non contact force.
Two positive charges are placed at a certain distance from each other. They will repel each other as like charges repel. This is another example of non contact force, i.e electrostatic force. The charges applies force on each other without any physical contact.
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