题目

science 的问题~ need help 快~~~
amount of charge electroscope
attract increase
conduction induction
contact forces law of static charge
decrease neutral
distance between objects repel
electric force type of charge
填空题
1A(n) _______ is a push or pull between charged objects.
2The ________state that like charges _______ and opposite charges _______. Charged objects are attracted to ________objects.
3The electric force that acts on any pair of objects depends on the ______and _______ on the objects and on the ________.
4If you increase the amount of charge on objects , you_______ the electric force .if you _______ the distance between objects,you decrease the electric force .
5 A device that can detect the presence of charge is the ______.
6 If the leaves of an electroscope become charged

提问时间：2021-01-06

答案

不明白你上面的 几个词组是干什么的 啊?
1.attraction
2.electric neutral none neutral
3.type amount distance
4 increase decrease
5 electroscope
6 repel
7 open and then shut
8 conduction ?
9 induction ?
10 contact forces law of static charge
希望有点用处