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 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