i don't have a book or anything to go look all this stuff up so i really need help understanding this..

Which of the following statements is not true?

a)negatively charged objects attract other negatively charged objects.
b)postively charged objects attract negatively charged objects.
c)postively charged objects attract neutral objects.
d)negatively charges objects attract neutral object.

please help.. thanks.

No book? No notes? Are you supposed to be taking notes?

like charges repel, unlike attract.

its an online coarse..

thanks.

To determine which statement is not true, we need to recall the fundamental principles of electrostatics. Specifically, like charges repel each other, while opposite charges attract each other.

Let's analyze each statement to determine if it aligns with this principle:

a) "Negatively charged objects attract other negatively charged objects."
According to the principle mentioned earlier, since both objects have a negative charge, they should repel, not attract. Therefore, statement a) is not true.

b) "Positively charged objects attract negatively charged objects."
Since positive and negative charges are opposite, this statement is true. Positive and negative charges attract each other.

c) "Positively charged objects attract neutral objects."
Neutral objects have an equal number of positive and negative charges, resulting in no net charge. Therefore, positively charged objects should not attract neutral objects. This statement is not true.

d) "Negatively charged objects attract neutral objects."
Neutral objects have no net charge, so they have an equal number of positive and negative charges. Negative charges should attract positive charges, but since there are no net charges on a neutral object, they neither attract nor repel. Therefore, statement d) is true.

From the analysis above, we can conclude that statement c) is not true because positively charged objects do not attract neutral objects.

It's important to note that while it's helpful to have a book or other resources for in-depth explanations, you can often reason through problems using basic knowledge and logical thinking.