39 A force F t 13 block A as shown in figure The force is

Last updated: 6/7/2023

39 A force F t 13 block A as shown in figure The force is applied at t 0 seconds when the system was at rest and string is just straight without tension Which of the following graphs gives the friction force between B and horizontal surface as a function of time t a c F F b d M F F Rough M F t