Question:
A block is placed on a rough plank moving with velocity 3
Last updated: 6/12/2023
![A block is placed on a rough plank moving with velocity 3](https://media.kunduz.com/media/sug-question-candidate/20210731075301343449-1838180.jpg?h=512)
A block is placed on a rough plank moving with velocity 3 and velocity of block relative to plank is 31 4j find direction of kinetic friction force acting on the block 4 31 A C 31 i 10 31 4 5 B D 31 4 5 31 j 10