option marks In the diagram a plank of mass M is placed on a

Last updated: 6/12/2023

option marks In the diagram a plank of mass M is placed on a horizontal frictionless surface Two blocks of masses 4M and M are placed on the plank For both blocks the coefficients of static friction with the plank equal 0 16 and the coefficients of kinetic friction equal 0 10 The blocks are connected by a light string through a light pulley which is acted upon by an unknown horizontal force F The acceleration of the plank is 2 m s 4M The acceleration of block of mass M is 8 m s The acceleration of block of mass 4M is 2 m s The force F 1 8 Mg The friction force acting between the plank and the block of mass M is 0 1 Mg M F