A 50-kg sled is pulled 20 meters over ice at a constant speed. What is the frictional force? How much work is done?
A 50-kg sled is pulled 20 meters over ice at a constant speed. The coefficient of friction between the sled and the ice is 0.13. A) What is the frictional force? B) How much work is done in pulling the sled 20 meters?