Question

An Iron ball is being attracted by a magnet. Which of the following fundamental forces could be acting on the Iron ball by the magnet?

• A. Gravitational Force
• B. Electromagnetic force
• C. Strong Nuclear Force
• D. Weak Nuclear Force

Answer 1

The correct option is B

Electromagnetic force

We know the Iron ball is a magnetic material. Therefore it will be attracted by a magnet.

Magnetic force of Attraction:

Well if you remember from the videos we told you that the force of attraction between a magnet and a magnetic material is electromagnetic in nature. You also know from previous classes that moving charges produce magnetism.