At a school science fair, Kabir shows two experiments. In the first, he brings a bar magnet near a few steel pins lying on a table; the pins jump up and stick to the magnet before touching it. In the second, he rubs an inflated balloon on his woollen sweater and holds it near a thin stream of water from a tap; the stream bends towards the balloon.

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Contact and Non-contact Forces, Magnetic Force, Electrostatic Force | PadhAiPro

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CASE_STUDIESContact and Non-contact ForcesMagnetic ForceElectrostatic Force3 sub-questions

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