A piece of cotton wool suspended by a thin thread is a pendulum. If you bring a pendulum to the idiom of charged balls
August 25, 2020 | Education|
A piece of cotton wool suspended by a thin thread is a pendulum. If you bring a pendulum to the idiom of charged balls of an electrophoric machine, then it will make an oscillatory movement,
a) What charge is imparted to the pendulum in position
b) Why does the pendulum deviate from the ball of the electric machine into position
c) Is it possible for a fleece to oscillate without a thread?
a) positive; b) like charges repel, unlike charges attract; c) in weightlessness it is possible, otherwise not, because gravity also acts.
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