Question

4. Magnetic force is said to be a non-contact force. Give reason.

Answer 1

Answer:

The force exerted by a magnet is called magnetic force.Since a magnet can exert magnetic force on Iron objects from a distance therefore magnetic force is a non contact force.

Explanation:

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Answer 2

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➷Magnetic force is said to be a non- contact force. Give Reasons.

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➷Overview:

In the first place all forces are non - contact force. The forces that we see around us come from two fundamental forces: ek and gravity, both of which are non-contact. The idea of contact forces makes sense only if you talk about an object having a surface, something that is not true at the molictoscopic level.

➷Why is magnetic force a non-contact force?

Hold a magnetbover iron filings and see them jump up or move around ! The magnet need not be in contact with the iron filings to move around!

➷More Info;

The concept of contact vs non-contact is more important today only for historical reasons.