UPSC NDA I 2023 General Ability Solved Paper

One block of 2.0‌kg mass is placed on top of another block of 3.0‌kg mass. The coefficient of static friction between the two blocks is 0⋅2. The bottom block is pulled with a horizontal force F such that both the blocks move together without slipping. Taking acceleration due to gravity as 10m∕ s2, the maximum value of the frictional force is :