Hector uses a wool cloth to give a balloon a negative charge. What will occur if he puts the balloon by the wall, why?
The balloon will stick to the wall because a negatively charged object is attracted to an uncharged object.
The balloon will not stick to the wall because a negatively charged object is repelled by an uncharged object.
The balloon will stick to the wall because a negatively charged object is attracted to another negatively charged object.
The balloon will not stick to the wall because a negatively charged object is repelled by another negatively charged object.