Find the Net Work Done by Friction on a Box

question 148

Multiple Choice

Find the net work done by friction on a box that moves in a complete circle of radius 1.82 m on a uniform horizontal floor. The coefficient of kinetic friction between the floor and the box is 0.25 , and the box weighs 65.0 N

• A) 1800 J
• B) 370 J
• C) 0 J
• D) 190 J