Detrmine the maximum acceleration of the train in which a box lying on the floor will remain stationary given that the coefficient of static friction between the box and the train s floor is 0.15 given `g = 10 m//s^(2)` .

Explanation

To determine the maximum acceleration of the train in which a box lying on the floor will remain stationary, we can follow these steps:

### Step 1: Understand the Forces Acting on the Box
The box experiences two main forces:
- The gravitational force acting downwards, which is \( F_g = mg \).
- The normal force acting upwards, which balances the gravitational force, \( N = mg \).

### Step 2: Identify the Frictional Force
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