1. We are usually not aware of the electric force acting between two everyday ob
ID: 1864395 • Letter: 1
Question
1. We are usually not aware of the electric force acting between two everyday objects because (a) the electric force is one of the weakest forces in nature. (b) the electric force is due to microscopic-sized particles such as electrons and protons (c) the electric force is invisible. (d) most everyday objects have as many plus charges as minus charges. A small metal ball hangs from the ceiling by an insulating thread. The ball is attracted to a positively 2. charged rod held near the ball. The charge of the ball must be (a) positive. (b) negative. (c) neutral. (d) positive or neutral. (e) negative or neutral.Explanation / Answer
1.
reason we are not aware of electric force in everyday object, is because most objects have as many plus charge as minus charge, so net force remains zero.
Correct option is D.
2.
force between two bodies will be attractive if both have opposite charge and force between two bodies will be repulsive if both have similar charge.
since charge on rod is +ve so to attract the ball, charge on ball should be negative.
Also since ball is conductive, So rod will induce negative charge on the ball and attract it towards the rod.
So correct option is E.
Please Upvote.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.