February 23, 2017

Homework Help: Physics

Posted by Jon on Wednesday, April 9, 2008 at 12:11pm.

1)Which of the following statements is true about electric forces?

A)electric forces cause objects to only attract each other.
B)electric forces cause objects to only repel each other
C)electric forces cause objects to repel or attract each other
D)electric forces have no effect on each other

the answer is C.

2)A negatively charged balloon sticks to a wooden door. However, an uncharged balloon does not stick to a wooden door. What is the nature of the charge on the wooden door?

A)electrically neutral
B)positively charged
D)lacking protons

I got 3 different answers each time for A-C, but my final answer is A.

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