Explanation: Narcotics are a subclassification of analgesics. These potent drugs work to relieve severe pain. They’re associated with side effects such as drowsiness, confusion, and constipation. Narcotics are classified as controlled substances because they can be habit-forming. Here are some examples:
Potential energy comes from a person’s energy the girl is pushing the bicycle down if the girl is not moving the bike won’t move the bike moves when she pushes
