system
Answer the question or perform the task.
human
Simplify the language to make it more accessible for non-expert readers.
Relevant data:
The coefficient of friction between two surfaces is inversely proportional to the force applied per unit area, and it can be calculated using the formula μ=F/A.
gpt
Friction depends on how hard you push and what surfaces you're pushing together. Use the formula μ=F/A to find it.