as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create a flashcard that explains the concept of friction.
user
front: what is friction?
back: friction is the resistance to motion that occurs when two surfaces are in contact with each other. it can have both beneficial and adverse effects, as it can enhance movements like walking, but can also create unwanted resistance when objects are trying to move.
assistant