Find the Net Work Done by Friction on a Box $1.82 \mathrm {~m}$

question 9

Multiple Choice

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

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

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