Question

As the small ring magnets are stuck one by one, at some stage the plastic box topples on the floor. Take a small area dS of the floor in contact with the plastic box near the edge of the box about which it topples. Call this area A. Take a similar area dS near the opposite edge of the box. Call this area B. The normal force by A on the box is denoted by NA and that by B is denoted by NB. The weight of the box together with all magnets and stand inside it is denoted by W.

Consider the situation when 4 extra magnets are stuck and the box stays in equilibrium. Choose the correct option.​

Answer 1

Answer:

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