Two boxes of the same mass and initial speed slide across two different horizontal floor surfaces, and each slide different distances to come to a complete stop. The box that slid a shorter distance to stop had __________ work done on it by kinetic friction, compared to the box that slid a longer distance.
A. less.
B. the same amount of.
C. more.
D. (Not enough information is given.)
Answer:B
Two boxes of the same mass and initial speed slide across two different horizontal floor surfaces, and each slide different distances to come to a complete stop. The box that slid a shorter distance to stop had __________ work done on it by kinetic friction, compared to the box that slid a longer distance.
A. less. B. the same amount of. C. more. D. (Not enough information is given.)