13 A small block of mass 1kg is placed over a plank of mass

Last updated: 6/9/2023

13 A small block of mass 1kg is placed over a plank of mass 2 kg The length of the plank is 2 m Coefficient of friction between the block and K 2kg 2m 1kg c 0 62 s F 30 N the plank is 0 5 and the ground over which plank is placed is smooth A constant force F 30 N is applied on the plank in horizontal direction The time after which the block will separate from the plank is g 10 m s a 0 73 s b 1 2 s d 1 6 s