a) Explain how an electrically neutral object can be charged?
b) A box oí 5 kg is lying on the table. When a force of 50N is applied on it, the
box just starts to slide on the table. What is the magnitude and direction of
the force of static friction.
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Charging by Friction
When you rub one material to another, they are charged by friction. Material losing electron is positively charged and material gaining electron is negatively charged. Amount of gained and lost electron is equal to each other.
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