
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A train with a mass of $m=500$ tons is traveling at a speed of $v=75 \frac{\mathrm{km}}{\text {hour}}$ on open track. The train is brought to a stop by counter steam over a distance of $s=400 \mathrm{~m}$. What is the average counterforce acting on the pistons of the steam cylinders in kg-weight?

Present the answer in LaTex format: \boxed{Your answer}
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